20196604460

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2683}}^1\times {\mathrm{4229}}^1$

素因数の和:7010

約数の個数: 48

約数和(自身を含む): 42915549600

約数和(自身を除く): 22718945140

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2683, 4229, 5366, 8458, 10732, 13415, 16916, 21145, 26830, 42290, 53660, 84580, 238787, 376381, 477574, 752762, 955148, 1193935, 1505524, 1881905, 2387870, 3763810, 4775740, 7527620, 11346407, 22692814, 45385628, 56732035, 113464070, 226928140, 1009830223, 2019660446, 4039320892, 5049151115, 10098302230, 20196604460]

約数ペア:

[(1, 20196604460), (2, 10098302230), (4, 5049151115), (5, 4039320892), (10, 2019660446), (20, 1009830223), (89, 226928140), (178, 113464070), (356, 56732035), (445, 45385628), (890, 22692814), (1780, 11346407), (2683, 7527620), (4229, 4775740), (5366, 3763810), (8458, 2387870), (10732, 1881905), (13415, 1505524), (16916, 1193935), (21145, 955148), (26830, 752762), (42290, 477574), (53660, 376381), (84580, 238787)]