20165994418

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{659}}^1\times {\mathrm{2473}}^1$

素因数の和:3426

約数の個数: 32

約数和(自身を含む): 31742409600

約数和(自身を除く): 11576415182

約数列:

[1, 2, 23, 46, 269, 538, 659, 1318, 2473, 4946, 6187, 12374, 15157, 30314, 56879, 113758, 177271, 354542, 665237, 1330474, 1629707, 3259414, 4077233, 8154466, 15300451, 30600902, 37483261, 74966522, 438391183, 876782366, 10082997209, 20165994418]

約数ペア:

[(1, 20165994418), (2, 10082997209), (23, 876782366), (46, 438391183), (269, 74966522), (538, 37483261), (659, 30600902), (1318, 15300451), (2473, 8154466), (4946, 4077233), (6187, 3259414), (12374, 1629707), (15157, 1330474), (30314, 665237), (56879, 354542), (113758, 177271)]