20176581490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1613}}^1\times {\mathrm{96221}}^1$

素因数の和:97854

約数の個数: 32

約数和(自身を含む): 39136181616

約数和(自身を除く): 18959600126

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1613, 3226, 8065, 16130, 20969, 41938, 96221, 104845, 192442, 209690, 481105, 962210, 1250873, 2501746, 6254365, 12508730, 155204473, 310408946, 776022365, 1552044730, 2017658149, 4035316298, 10088290745, 20176581490]

約数ペア:

[(1, 20176581490), (2, 10088290745), (5, 4035316298), (10, 2017658149), (13, 1552044730), (26, 776022365), (65, 310408946), (130, 155204473), (1613, 12508730), (3226, 6254365), (8065, 2501746), (16130, 1250873), (20969, 962210), (41938, 481105), (96221, 209690), (104845, 192442)]