20177924

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1571}}^1$

素因数の和:1620

約数の個数: 36

約数和(自身を含む): 40274640

約数和(自身を除く): 20096716

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 988, 1571, 3142, 3211, 6284, 6422, 12844, 20423, 29849, 40846, 59698, 81692, 119396, 265499, 388037, 530998, 776074, 1061996, 1552148, 5044481, 10088962, 20177924]

約数ペア:

[(1, 20177924), (2, 10088962), (4, 5044481), (13, 1552148), (19, 1061996), (26, 776074), (38, 530998), (52, 388037), (76, 265499), (169, 119396), (247, 81692), (338, 59698), (494, 40846), (676, 29849), (988, 20423), (1571, 12844), (3142, 6422), (3211, 6284)]