20147686

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{577}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 34957440

約数和(自身を除く): 14809754

約数列:

[1, 2, 13, 17, 26, 34, 79, 158, 221, 442, 577, 1027, 1154, 1343, 2054, 2686, 7501, 9809, 15002, 17459, 19618, 34918, 45583, 91166, 127517, 255034, 592579, 774911, 1185158, 1549822, 10073843, 20147686]

約数ペア:

[(1, 20147686), (2, 10073843), (13, 1549822), (17, 1185158), (26, 774911), (34, 592579), (79, 255034), (158, 127517), (221, 91166), (442, 45583), (577, 34918), (1027, 19618), (1154, 17459), (1343, 15002), (2054, 9809), (2686, 7501)]