20577540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7297}}^1$

素因数の和:7356

約数の個数: 48

約数和(自身を含む): 58851072

約数和(自身を除く): 38273532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 7297, 14594, 21891, 29188, 36485, 43782, 72970, 87564, 109455, 145940, 218910, 342959, 437820, 685918, 1028877, 1371836, 1714795, 2057754, 3429590, 4115508, 5144385, 6859180, 10288770, 20577540]

約数ペア:

[(1, 20577540), (2, 10288770), (3, 6859180), (4, 5144385), (5, 4115508), (6, 3429590), (10, 2057754), (12, 1714795), (15, 1371836), (20, 1028877), (30, 685918), (47, 437820), (60, 342959), (94, 218910), (141, 145940), (188, 109455), (235, 87564), (282, 72970), (470, 43782), (564, 36485), (705, 29188), (940, 21891), (1410, 14594), (2820, 7297)]