20341568

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1063}}^1$

素因数の和:1111

約数の個数: 56

約数和(自身を含む): 45403008

約数和(自身を除く): 25061440

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 184, 208, 299, 368, 416, 598, 736, 832, 1063, 1196, 1472, 2126, 2392, 4252, 4784, 8504, 9568, 13819, 17008, 19136, 24449, 27638, 34016, 48898, 55276, 68032, 97796, 110552, 195592, 221104, 317837, 391184, 442208, 635674, 782368, 884416, 1271348, 1564736, 2542696, 5085392, 10170784, 20341568]

約数ペア:

[(1, 20341568), (2, 10170784), (4, 5085392), (8, 2542696), (13, 1564736), (16, 1271348), (23, 884416), (26, 782368), (32, 635674), (46, 442208), (52, 391184), (64, 317837), (92, 221104), (104, 195592), (184, 110552), (208, 97796), (299, 68032), (368, 55276), (416, 48898), (598, 34016), (736, 27638), (832, 24449), (1063, 19136), (1196, 17008), (1472, 13819), (2126, 9568), (2392, 8504), (4252, 4784)]