20165365090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{491}}^1\times {\mathrm{733}}^1$

素因数の和:1675

約数の個数: 64

約数和(自身を含む): 39313838592

約数和(自身を除く): 19148473502

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 431, 491, 733, 862, 982, 1466, 2155, 2455, 3665, 4310, 4910, 5603, 6383, 7330, 9529, 11206, 12766, 19058, 28015, 31915, 47645, 56030, 63830, 95290, 211621, 315923, 359903, 423242, 631846, 719806, 1058105, 1579615, 1799515, 2116210, 2751073, 3159230, 3599030, 4106999, 4678739, 5502146, 8213998, 9357478, 13755365, 20534995, 23393695, 27510730, 41069990, 46787390, 155118193, 310236386, 775590965, 1551181930, 2016536509, 4033073018, 10082682545, 20165365090]

約数ペア:

[(1, 20165365090), (2, 10082682545), (5, 4033073018), (10, 2016536509), (13, 1551181930), (26, 775590965), (65, 310236386), (130, 155118193), (431, 46787390), (491, 41069990), (733, 27510730), (862, 23393695), (982, 20534995), (1466, 13755365), (2155, 9357478), (2455, 8213998), (3665, 5502146), (4310, 4678739), (4910, 4106999), (5603, 3599030), (6383, 3159230), (7330, 2751073), (9529, 2116210), (11206, 1799515), (12766, 1579615), (19058, 1058105), (28015, 719806), (31915, 631846), (47645, 423242), (56030, 359903), (63830, 315923), (95290, 211621)]