20158090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{419}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 38646720

約数和(自身を除く): 18488630

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 283, 419, 566, 838, 1415, 2095, 2830, 4190, 4811, 7123, 9622, 14246, 24055, 35615, 48110, 71230, 118577, 237154, 592885, 1185770, 2015809, 4031618, 10079045, 20158090]

約数ペア:

[(1, 20158090), (2, 10079045), (5, 4031618), (10, 2015809), (17, 1185770), (34, 592885), (85, 237154), (170, 118577), (283, 71230), (419, 48110), (566, 35615), (838, 24055), (1415, 14246), (2095, 9622), (2830, 7123), (4190, 4811)]