20635156

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{643}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 37001664

約数和(自身を除く): 16366508

約数列:

[1, 2, 4, 71, 113, 142, 226, 284, 452, 643, 1286, 2572, 8023, 16046, 32092, 45653, 72659, 91306, 145318, 182612, 290636, 5158789, 10317578, 20635156]

約数ペア:

[(1, 20635156), (2, 10317578), (4, 5158789), (71, 290636), (113, 182612), (142, 145318), (226, 91306), (284, 72659), (452, 45653), (643, 32092), (1286, 16046), (2572, 8023)]