20491536

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32839}}^1$

素因数の和:32863

約数の個数: 40

約数和(自身を含む): 57010240

約数和(自身を除く): 36518704

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 32839, 65678, 98517, 131356, 197034, 262712, 394068, 426907, 525424, 788136, 853814, 1280721, 1576272, 1707628, 2561442, 3415256, 5122884, 6830512, 10245768, 20491536]

約数ペア:

[(1, 20491536), (2, 10245768), (3, 6830512), (4, 5122884), (6, 3415256), (8, 2561442), (12, 1707628), (13, 1576272), (16, 1280721), (24, 853814), (26, 788136), (39, 525424), (48, 426907), (52, 394068), (78, 262712), (104, 197034), (156, 131356), (208, 98517), (312, 65678), (624, 32839)]