20480459930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{10687}}^1\times {\mathrm{3911}}^1$

素因数の和:14619

約数の個数: 48

約数和(自身を含む): 42898553856

約数和(自身を除く): 22418093926

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 3911, 7822, 10687, 19555, 21374, 27377, 39110, 53435, 54754, 74809, 106870, 136885, 149618, 191639, 273770, 374045, 383278, 523663, 748090, 958195, 1047326, 1916390, 2618315, 5236630, 41796857, 83593714, 208984285, 292577999, 417968570, 585155998, 1462889995, 2048045993, 2925779990, 4096091986, 10240229965, 20480459930]

約数ペア:

[(1, 20480459930), (2, 10240229965), (5, 4096091986), (7, 2925779990), (10, 2048045993), (14, 1462889995), (35, 585155998), (49, 417968570), (70, 292577999), (98, 208984285), (245, 83593714), (490, 41796857), (3911, 5236630), (7822, 2618315), (10687, 1916390), (19555, 1047326), (21374, 958195), (27377, 748090), (39110, 523663), (53435, 383278), (54754, 374045), (74809, 273770), (106870, 191639), (136885, 149618)]