20007416

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17489}}^1$

素因数の和:17519

約数の個数: 32

約数和(自身を含む): 44074800

約数和(自身を除く): 24067384

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17489, 34978, 69956, 139912, 192379, 227357, 384758, 454714, 769516, 909428, 1539032, 1818856, 2500927, 5001854, 10003708, 20007416]

約数ペア:

[(1, 20007416), (2, 10003708), (4, 5001854), (8, 2500927), (11, 1818856), (13, 1539032), (22, 909428), (26, 769516), (44, 454714), (52, 384758), (88, 227357), (104, 192379), (143, 139912), (286, 69956), (572, 34978), (1144, 17489)]