20279766

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8387}}^1$

素因数の和:8436

約数の個数: 32

約数和(自身を含む): 45093888

約数和(自身を除く): 24814122

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8387, 16774, 25161, 50322, 109031, 218062, 259997, 327093, 519994, 654186, 779991, 1559982, 3379961, 6759922, 10139883, 20279766]

約数ペア:

[(1, 20279766), (2, 10139883), (3, 6759922), (6, 3379961), (13, 1559982), (26, 779991), (31, 654186), (39, 519994), (62, 327093), (78, 259997), (93, 218062), (186, 109031), (403, 50322), (806, 25161), (1209, 16774), (2418, 8387)]