20351786

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1669}}^1$

素因数の和:1758

約数の個数: 32

約数和(自身を含む): 38156160

約数和(自身を除く): 17804374

約数列:

[1, 2, 7, 13, 14, 26, 67, 91, 134, 182, 469, 871, 938, 1669, 1742, 3338, 6097, 11683, 12194, 21697, 23366, 43394, 111823, 151879, 223646, 303758, 782761, 1453699, 1565522, 2907398, 10175893, 20351786]

約数ペア:

[(1, 20351786), (2, 10175893), (7, 2907398), (13, 1565522), (14, 1453699), (26, 782761), (67, 303758), (91, 223646), (134, 151879), (182, 111823), (469, 43394), (871, 23366), (938, 21697), (1669, 12194), (1742, 11683), (3338, 6097)]