20660848

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5843}}^1$

素因数の和:5881

約数の個数: 40

約数和(自身を含む): 45653328

約数和(自身を除く): 24992480

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 5843, 11686, 23372, 46744, 75959, 93488, 99331, 151918, 198662, 303836, 397324, 607672, 794648, 1215344, 1291303, 1589296, 2582606, 5165212, 10330424, 20660848]

約数ペア:

[(1, 20660848), (2, 10330424), (4, 5165212), (8, 2582606), (13, 1589296), (16, 1291303), (17, 1215344), (26, 794648), (34, 607672), (52, 397324), (68, 303836), (104, 198662), (136, 151918), (208, 99331), (221, 93488), (272, 75959), (442, 46744), (884, 23372), (1768, 11686), (3536, 5843)]