20391954

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{3911}}^1$

素因数の和:4006

約数の個数: 32

約数和(自身を含む): 45066240

約数和(自身を除く): 24674286

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 79, 158, 237, 474, 869, 1738, 2607, 3911, 5214, 7822, 11733, 23466, 43021, 86042, 129063, 258126, 308969, 617938, 926907, 1853814, 3398659, 6797318, 10195977, 20391954]

約数ペア:

[(1, 20391954), (2, 10195977), (3, 6797318), (6, 3398659), (11, 1853814), (22, 926907), (33, 617938), (66, 308969), (79, 258126), (158, 129063), (237, 86042), (474, 43021), (869, 23466), (1738, 11733), (2607, 7822), (3911, 5214)]