20851999203

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{546479}}^1$

素因数の和:546591

約数の個数: 32

約数和(自身を含む): 33575731200

約数和(自身を除く): 12723731997

約数列:

[1, 3, 7, 21, 23, 69, 79, 161, 237, 483, 553, 1659, 1817, 5451, 12719, 38157, 546479, 1639437, 3825353, 11476059, 12569017, 37707051, 43171841, 87983119, 129515523, 263949357, 302202887, 906608661, 992952343, 2978857029, 6950666401, 20851999203]

約数ペア:

[(1, 20851999203), (3, 6950666401), (7, 2978857029), (21, 992952343), (23, 906608661), (69, 302202887), (79, 263949357), (161, 129515523), (237, 87983119), (483, 43171841), (553, 37707051), (1659, 12569017), (1817, 11476059), (5451, 3825353), (12719, 1639437), (38157, 546479)]