20147871230

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{503}}^1\times {\mathrm{823}}^1$

素因数の和:1521

約数の個数: 64

約数和(自身を含む): 37795258368

約数和(自身を除く): 17647387138

約数列:

[1, 2, 5, 10, 31, 62, 155, 157, 310, 314, 503, 785, 823, 1006, 1570, 1646, 2515, 4115, 4867, 5030, 8230, 9734, 15593, 24335, 25513, 31186, 48670, 51026, 77965, 78971, 127565, 129211, 155930, 157942, 255130, 258422, 394855, 413969, 646055, 789710, 827938, 1292110, 2069845, 2448101, 4005541, 4139690, 4896202, 8011082, 12240505, 12833039, 20027705, 24481010, 25666078, 40055410, 64165195, 64993133, 128330390, 129986266, 324965665, 649931330, 2014787123, 4029574246, 10073935615, 20147871230]

約数ペア:

[(1, 20147871230), (2, 10073935615), (5, 4029574246), (10, 2014787123), (31, 649931330), (62, 324965665), (155, 129986266), (157, 128330390), (310, 64993133), (314, 64165195), (503, 40055410), (785, 25666078), (823, 24481010), (1006, 20027705), (1570, 12833039), (1646, 12240505), (2515, 8011082), (4115, 4896202), (4867, 4139690), (5030, 4005541), (8230, 2448101), (9734, 2069845), (15593, 1292110), (24335, 827938), (25513, 789710), (31186, 646055), (48670, 413969), (51026, 394855), (77965, 258422), (78971, 255130), (127565, 157942), (129211, 155930)]