20178063059

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{691}}^1\times {\mathrm{6217}}^1$

素因数の和:6987

約数の個数: 32

約数和(自身を含む): 25610598912

約数和(自身を除く): 5432535853

約数列:

[1, 7, 11, 61, 77, 427, 671, 691, 4697, 4837, 6217, 7601, 42151, 43519, 53207, 68387, 295057, 379237, 463661, 478709, 2654659, 3245627, 4171607, 4295947, 29201249, 30071629, 47255417, 262052767, 330787919, 1834369369, 2882580437, 20178063059]

約数ペア:

[(1, 20178063059), (7, 2882580437), (11, 1834369369), (61, 330787919), (77, 262052767), (427, 47255417), (671, 30071629), (691, 29201249), (4697, 4295947), (4837, 4171607), (6217, 3245627), (7601, 2654659), (42151, 478709), (43519, 463661), (53207, 379237), (68387, 295057)]