20176869915

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{98479}}^1$

素因数の和:98676

約数の個数: 48

約数和(自身を含む): 36410025600

約数和(自身を除く): 16233155685

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 157, 261, 435, 471, 785, 1305, 1413, 2355, 4553, 7065, 13659, 22765, 40977, 68295, 98479, 204885, 295437, 492395, 886311, 1477185, 2855891, 4431555, 8567673, 14279455, 15461203, 25703019, 42838365, 46383609, 77306015, 128515095, 139150827, 231918045, 448374887, 695754135, 1345124661, 2241874435, 4035373983, 6725623305, 20176869915]

約数ペア:

[(1, 20176869915), (3, 6725623305), (5, 4035373983), (9, 2241874435), (15, 1345124661), (29, 695754135), (45, 448374887), (87, 231918045), (145, 139150827), (157, 128515095), (261, 77306015), (435, 46383609), (471, 42838365), (785, 25703019), (1305, 15461203), (1413, 14279455), (2355, 8567673), (4553, 4431555), (7065, 2855891), (13659, 1477185), (22765, 886311), (40977, 492395), (68295, 295437), (98479, 204885)]