20542756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{2207}}^1$

素因数の和:2403

約数の個数: 24

約数和(自身を含む): 38949120

約数和(自身を除く): 18406364

約数列:

[1, 2, 4, 13, 26, 52, 179, 358, 716, 2207, 2327, 4414, 4654, 8828, 9308, 28691, 57382, 114764, 395053, 790106, 1580212, 5135689, 10271378, 20542756]

約数ペア:

[(1, 20542756), (2, 10271378), (4, 5135689), (13, 1580212), (26, 790106), (52, 395053), (179, 114764), (358, 57382), (716, 28691), (2207, 9308), (2327, 8828), (4414, 4654)]