20581262

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 34927200

約数和(自身を除く): 14345938

約数列:

[1, 2, 13, 26, 41, 43, 82, 86, 449, 533, 559, 898, 1066, 1118, 1763, 3526, 5837, 11674, 18409, 19307, 22919, 36818, 38614, 45838, 239317, 250991, 478634, 501982, 791587, 1583174, 10290631, 20581262]

約数ペア:

[(1, 20581262), (2, 10290631), (13, 1583174), (26, 791587), (41, 501982), (43, 478634), (82, 250991), (86, 239317), (449, 45838), (533, 38614), (559, 36818), (898, 22919), (1066, 19307), (1118, 18409), (1763, 11674), (3526, 5837)]