20845793520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1\times {\mathrm{911}}^1$

素因数の和:1512

約数の個数: 240

約数和(自身を含む): 71369610624

約数和(自身を除く): 50523817104

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 488, 521, 549, 610, 720, 732, 911, 915, 976, 1042, 1098, 1220, 1464, 1563, 1822, 1830, 2084, 2196, 2440, 2605, 2733, 2745, 2928, 3126, 3644, 3660, 4168, 4392, 4555, 4689, 4880, 5210, 5466, 5490, 6252, 7288, 7320, 7815, 8199, 8336, 8784, 9110, 9378, 10420, 10932, 10980, 12504, 13665, 14576, 14640, 15630, 16398, 18220, 18756, 20840, 21864, 21960, 23445, 25008, 27330, 31260, 31781, 32796, 36440, 37512, 40995, 41680, 43728, 43920, 46890, 54660, 55571, 62520, 63562, 65592, 72880, 75024, 81990, 93780, 95343, 109320, 111142, 125040, 127124, 131184, 158905, 163980, 166713, 187560, 190686, 218640, 222284, 254248, 277855, 286029, 317810, 327960, 333426, 375120, 381372, 444568, 474631, 476715, 500139, 508496, 555710, 572058, 635620, 655920, 666852, 762744, 833565, 889136, 949262, 953430, 1000278, 1111420, 1144116, 1271240, 1333704, 1423893, 1430145, 1525488, 1667130, 1898524, 1906860, 2000556, 2222840, 2288232, 2373155, 2500695, 2542480, 2667408, 2847786, 2860290, 3334260, 3797048, 3813720, 4001112, 4271679, 4445680, 4576464, 4746310, 5001390, 5695572, 5720580, 6668520, 7119465, 7594096, 7627440, 8002224, 8543358, 9492620, 10002780, 11391144, 11441160, 13337040, 14238930, 17086716, 18985240, 20005560, 21358395, 22782288, 22882320, 28477860, 28952491, 34173432, 37970480, 40011120, 42716790, 56955720, 57904982, 68346864, 85433580, 86857473, 113911440, 115809964, 144762455, 170867160, 173714946, 231619928, 260572419, 289524910, 341734320, 347429892, 434287365, 463239856, 521144838, 579049820, 694859784, 868574730, 1042289676, 1158099640, 1302862095, 1389719568, 1737149460, 2084579352, 2316199280, 2605724190, 3474298920, 4169158704, 5211448380, 6948597840, 10422896760, 20845793520]

約数ペア:

[(1, 20845793520), (2, 10422896760), (3, 6948597840), (4, 5211448380), (5, 4169158704), (6, 3474298920), (8, 2605724190), (9, 2316199280), (10, 2084579352), (12, 1737149460), (15, 1389719568), (16, 1302862095), (18, 1158099640), (20, 1042289676), (24, 868574730), (30, 694859784), (36, 579049820), (40, 521144838), (45, 463239856), (48, 434287365), (60, 347429892), (61, 341734320), (72, 289524910), (80, 260572419), (90, 231619928), (120, 173714946), (122, 170867160), (144, 144762455), (180, 115809964), (183, 113911440), (240, 86857473), (244, 85433580), (305, 68346864), (360, 57904982), (366, 56955720), (488, 42716790), (521, 40011120), (549, 37970480), (610, 34173432), (720, 28952491), (732, 28477860), (911, 22882320), (915, 22782288), (976, 21358395), (1042, 20005560), (1098, 18985240), (1220, 17086716), (1464, 14238930), (1563, 13337040), (1822, 11441160), (1830, 11391144), (2084, 10002780), (2196, 9492620), (2440, 8543358), (2605, 8002224), (2733, 7627440), (2745, 7594096), (2928, 7119465), (3126, 6668520), (3644, 5720580), (3660, 5695572), (4168, 5001390), (4392, 4746310), (4555, 4576464), (4689, 4445680), (4880, 4271679), (5210, 4001112), (5466, 3813720), (5490, 3797048), (6252, 3334260), (7288, 2860290), (7320, 2847786), (7815, 2667408), (8199, 2542480), (8336, 2500695), (8784, 2373155), (9110, 2288232), (9378, 2222840), (10420, 2000556), (10932, 1906860), (10980, 1898524), (12504, 1667130), (13665, 1525488), (14576, 1430145), (14640, 1423893), (15630, 1333704), (16398, 1271240), (18220, 1144116), (18756, 1111420), (20840, 1000278), (21864, 953430), (21960, 949262), (23445, 889136), (25008, 833565), (27330, 762744), (31260, 666852), (31781, 655920), (32796, 635620), (36440, 572058), (37512, 555710), (40995, 508496), (41680, 500139), (43728, 476715), (43920, 474631), (46890, 444568), (54660, 381372), (55571, 375120), (62520, 333426), (63562, 327960), (65592, 317810), (72880, 286029), (75024, 277855), (81990, 254248), (93780, 222284), (95343, 218640), (109320, 190686), (111142, 187560), (125040, 166713), (127124, 163980), (131184, 158905)]