20048180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1063}}^1$

素因数の和:1136

約数の個数: 48

約数和(自身を含む): 45045504

約数和(自身を除く): 24997324

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 820, 943, 1063, 1886, 2126, 3772, 4252, 4715, 5315, 9430, 10630, 18860, 21260, 24449, 43583, 48898, 87166, 97796, 122245, 174332, 217915, 244490, 435830, 488980, 871660, 1002409, 2004818, 4009636, 5012045, 10024090, 20048180]

約数ペア:

[(1, 20048180), (2, 10024090), (4, 5012045), (5, 4009636), (10, 2004818), (20, 1002409), (23, 871660), (41, 488980), (46, 435830), (82, 244490), (92, 217915), (115, 174332), (164, 122245), (205, 97796), (230, 87166), (410, 48898), (460, 43583), (820, 24449), (943, 21260), (1063, 18860), (1886, 10630), (2126, 9430), (3772, 5315), (4252, 4715)]