20170123760

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6814231}}^1$

素因数の和:6814281

約数の個数: 40

約数和(自身を含む): 48162991776

約数和(自身を除く): 27992868016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 6814231, 13628462, 27256924, 34071155, 54513848, 68142310, 109027696, 136284620, 252126547, 272569240, 504253094, 545138480, 1008506188, 1260632735, 2017012376, 2521265470, 4034024752, 5042530940, 10085061880, 20170123760]

約数ペア:

[(1, 20170123760), (2, 10085061880), (4, 5042530940), (5, 4034024752), (8, 2521265470), (10, 2017012376), (16, 1260632735), (20, 1008506188), (37, 545138480), (40, 504253094), (74, 272569240), (80, 252126547), (148, 136284620), (185, 109027696), (296, 68142310), (370, 54513848), (592, 34071155), (740, 27256924), (1480, 13628462), (2960, 6814231)]