20976657

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1091}}^1$

素因数の和:1153

約数の個数: 32

約数和(自身を含む): 33022080

約数和(自身を除く): 12045423

約数列:

[1, 3, 13, 17, 29, 39, 51, 87, 221, 377, 493, 663, 1091, 1131, 1479, 3273, 6409, 14183, 18547, 19227, 31639, 42549, 55641, 94917, 241111, 411307, 537863, 723333, 1233921, 1613589, 6992219, 20976657]

約数ペア:

[(1, 20976657), (3, 6992219), (13, 1613589), (17, 1233921), (29, 723333), (39, 537863), (51, 411307), (87, 241111), (221, 94917), (377, 55641), (493, 42549), (663, 31639), (1091, 19227), (1131, 18547), (1479, 14183), (3273, 6409)]