20187193780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1893733}}^1$

素因数の和:1893796

約数の個数: 48

約数和(自身を含む): 46767654864

約数和(自身を除く): 26580461084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 1893733, 3787466, 7574932, 9468665, 18937330, 24618529, 37874660, 49237058, 77643053, 98474116, 123092645, 155286106, 246185290, 310572212, 388215265, 492370580, 776430530, 1009359689, 1552861060, 2018719378, 4037438756, 5046798445, 10093596890, 20187193780]

約数ペア:

[(1, 20187193780), (2, 10093596890), (4, 5046798445), (5, 4037438756), (10, 2018719378), (13, 1552861060), (20, 1009359689), (26, 776430530), (41, 492370580), (52, 388215265), (65, 310572212), (82, 246185290), (130, 155286106), (164, 123092645), (205, 98474116), (260, 77643053), (410, 49237058), (533, 37874660), (820, 24618529), (1066, 18937330), (2132, 9468665), (2665, 7574932), (5330, 3787466), (10660, 1893733)]