20967298

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{487}}^1$

素因数の和:622

約数の個数: 32

約数和(自身を含む): 36541440

約数和(自身を除く): 15574142

約数列:

[1, 2, 11, 19, 22, 38, 103, 206, 209, 418, 487, 974, 1133, 1957, 2266, 3914, 5357, 9253, 10714, 18506, 21527, 43054, 50161, 100322, 101783, 203566, 551771, 953059, 1103542, 1906118, 10483649, 20967298]

約数ペア:

[(1, 20967298), (2, 10483649), (11, 1906118), (19, 1103542), (22, 953059), (38, 551771), (103, 203566), (206, 101783), (209, 100322), (418, 50161), (487, 43054), (974, 21527), (1133, 18506), (1957, 10714), (2266, 9253), (3914, 5357)]