20001908040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{107}}^1\times {\mathrm{1621}}^1$

素因数の和:1804

約数の個数: 192

約数和(自身を含む): 62621916480

約数和(自身を除く): 42620008440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 107, 120, 124, 155, 186, 214, 248, 310, 321, 372, 428, 465, 535, 620, 642, 744, 856, 930, 961, 1070, 1240, 1284, 1605, 1621, 1860, 1922, 2140, 2568, 2883, 3210, 3242, 3317, 3720, 3844, 4280, 4805, 4863, 5766, 6420, 6484, 6634, 7688, 8105, 9610, 9726, 9951, 11532, 12840, 12968, 13268, 14415, 16210, 16585, 19220, 19452, 19902, 23064, 24315, 26536, 28830, 32420, 33170, 38440, 38904, 39804, 48630, 49755, 50251, 57660, 64840, 66340, 79608, 97260, 99510, 100502, 102827, 115320, 132680, 150753, 173447, 194520, 199020, 201004, 205654, 251255, 301506, 308481, 346894, 398040, 402008, 411308, 502510, 514135, 520341, 603012, 616962, 693788, 753765, 822616, 867235, 1005020, 1028270, 1040682, 1206024, 1233924, 1387576, 1507530, 1542405, 1557781, 1734470, 2010040, 2056540, 2081364, 2467848, 2601705, 3015060, 3084810, 3115562, 3468940, 4113080, 4162728, 4673343, 5203410, 5376857, 6030120, 6169620, 6231124, 6937880, 7788905, 9346686, 10406820, 10753714, 12339240, 12462248, 15577810, 16130571, 18693372, 20813640, 21507428, 23366715, 26884285, 31155620, 32261142, 37386744, 43014856, 46733430, 53768570, 62311240, 64522284, 80652855, 93466860, 107537140, 129044568, 161305710, 166682567, 186933720, 215074280, 322611420, 333365134, 500047701, 645222840, 666730268, 833412835, 1000095402, 1333460536, 1666825670, 2000190804, 2500238505, 3333651340, 4000381608, 5000477010, 6667302680, 10000954020, 20001908040]

約数ペア:

[(1, 20001908040), (2, 10000954020), (3, 6667302680), (4, 5000477010), (5, 4000381608), (6, 3333651340), (8, 2500238505), (10, 2000190804), (12, 1666825670), (15, 1333460536), (20, 1000095402), (24, 833412835), (30, 666730268), (31, 645222840), (40, 500047701), (60, 333365134), (62, 322611420), (93, 215074280), (107, 186933720), (120, 166682567), (124, 161305710), (155, 129044568), (186, 107537140), (214, 93466860), (248, 80652855), (310, 64522284), (321, 62311240), (372, 53768570), (428, 46733430), (465, 43014856), (535, 37386744), (620, 32261142), (642, 31155620), (744, 26884285), (856, 23366715), (930, 21507428), (961, 20813640), (1070, 18693372), (1240, 16130571), (1284, 15577810), (1605, 12462248), (1621, 12339240), (1860, 10753714), (1922, 10406820), (2140, 9346686), (2568, 7788905), (2883, 6937880), (3210, 6231124), (3242, 6169620), (3317, 6030120), (3720, 5376857), (3844, 5203410), (4280, 4673343), (4805, 4162728), (4863, 4113080), (5766, 3468940), (6420, 3115562), (6484, 3084810), (6634, 3015060), (7688, 2601705), (8105, 2467848), (9610, 2081364), (9726, 2056540), (9951, 2010040), (11532, 1734470), (12840, 1557781), (12968, 1542405), (13268, 1507530), (14415, 1387576), (16210, 1233924), (16585, 1206024), (19220, 1040682), (19452, 1028270), (19902, 1005020), (23064, 867235), (24315, 822616), (26536, 753765), (28830, 693788), (32420, 616962), (33170, 603012), (38440, 520341), (38904, 514135), (39804, 502510), (48630, 411308), (49755, 402008), (50251, 398040), (57660, 346894), (64840, 308481), (66340, 301506), (79608, 251255), (97260, 205654), (99510, 201004), (100502, 199020), (102827, 194520), (115320, 173447), (132680, 150753)]