20274891

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3229}}^1$

素因数の和:3275

約数の個数: 32

約数和(自身を含む): 34728960

約数和(自身を除く): 14454069

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 897, 2093, 3229, 6279, 9687, 22603, 41977, 67809, 74267, 125931, 222801, 293839, 519869, 881517, 965471, 1559607, 2896413, 6758297, 20274891]

約数ペア:

[(1, 20274891), (3, 6758297), (7, 2896413), (13, 1559607), (21, 965471), (23, 881517), (39, 519869), (69, 293839), (91, 222801), (161, 125931), (273, 74267), (299, 67809), (483, 41977), (897, 22603), (2093, 9687), (3229, 6279)]