20213530920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{64613}}^1$

素因数の和:64720

約数の個数: 192

約数和(自身を含む): 72574444800

約数和(自身を除く): 52360913880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 79, 88, 90, 99, 110, 120, 132, 158, 165, 180, 198, 220, 237, 264, 316, 330, 360, 395, 396, 440, 474, 495, 632, 660, 711, 790, 792, 869, 948, 990, 1185, 1320, 1422, 1580, 1738, 1896, 1980, 2370, 2607, 2844, 3160, 3476, 3555, 3960, 4345, 4740, 5214, 5688, 6952, 7110, 7821, 8690, 9480, 10428, 13035, 14220, 15642, 17380, 20856, 26070, 28440, 31284, 34760, 39105, 52140, 62568, 64613, 78210, 104280, 129226, 156420, 193839, 258452, 312840, 323065, 387678, 516904, 581517, 646130, 710743, 775356, 969195, 1163034, 1292260, 1421486, 1550712, 1938390, 2132229, 2326068, 2584520, 2842972, 2907585, 3553715, 3876780, 4264458, 4652136, 5104427, 5685944, 5815170, 6396687, 7107430, 7753560, 8528916, 10208854, 10661145, 11630340, 12793374, 14214860, 15313281, 17057832, 20417708, 21322290, 23260680, 25522135, 25586748, 28429720, 30626562, 31983435, 40835416, 42644580, 45939843, 51044270, 51173496, 56148697, 61253124, 63966870, 76566405, 85289160, 91879686, 102088540, 112297394, 122506248, 127933740, 153132810, 168446091, 183759372, 204177080, 224594788, 229699215, 255867480, 280743485, 306265620, 336892182, 367518744, 449189576, 459398430, 505338273, 561486970, 612531240, 673784364, 842230455, 918796860, 1010676546, 1122973940, 1347568728, 1684460910, 1837593720, 2021353092, 2245947880, 2526691365, 3368921820, 4042706184, 5053382730, 6737843640, 10106765460, 20213530920]

約数ペア:

[(1, 20213530920), (2, 10106765460), (3, 6737843640), (4, 5053382730), (5, 4042706184), (6, 3368921820), (8, 2526691365), (9, 2245947880), (10, 2021353092), (11, 1837593720), (12, 1684460910), (15, 1347568728), (18, 1122973940), (20, 1010676546), (22, 918796860), (24, 842230455), (30, 673784364), (33, 612531240), (36, 561486970), (40, 505338273), (44, 459398430), (45, 449189576), (55, 367518744), (60, 336892182), (66, 306265620), (72, 280743485), (79, 255867480), (88, 229699215), (90, 224594788), (99, 204177080), (110, 183759372), (120, 168446091), (132, 153132810), (158, 127933740), (165, 122506248), (180, 112297394), (198, 102088540), (220, 91879686), (237, 85289160), (264, 76566405), (316, 63966870), (330, 61253124), (360, 56148697), (395, 51173496), (396, 51044270), (440, 45939843), (474, 42644580), (495, 40835416), (632, 31983435), (660, 30626562), (711, 28429720), (790, 25586748), (792, 25522135), (869, 23260680), (948, 21322290), (990, 20417708), (1185, 17057832), (1320, 15313281), (1422, 14214860), (1580, 12793374), (1738, 11630340), (1896, 10661145), (1980, 10208854), (2370, 8528916), (2607, 7753560), (2844, 7107430), (3160, 6396687), (3476, 5815170), (3555, 5685944), (3960, 5104427), (4345, 4652136), (4740, 4264458), (5214, 3876780), (5688, 3553715), (6952, 2907585), (7110, 2842972), (7821, 2584520), (8690, 2326068), (9480, 2132229), (10428, 1938390), (13035, 1550712), (14220, 1421486), (15642, 1292260), (17380, 1163034), (20856, 969195), (26070, 775356), (28440, 710743), (31284, 646130), (34760, 581517), (39105, 516904), (52140, 387678), (62568, 323065), (64613, 312840), (78210, 258452), (104280, 193839), (129226, 156420)]