20161986477

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1\times {\mathrm{353}}^1$

素因数の和:830

約数の個数: 64

約数和(自身を含む): 29719008000

約数和(自身を除く): 9557021523

約数列:

[1, 3, 19, 29, 57, 87, 109, 317, 327, 353, 551, 951, 1059, 1653, 2071, 3161, 6023, 6213, 6707, 9193, 9483, 10237, 18069, 20121, 27579, 30711, 34553, 38477, 60059, 103659, 111901, 115431, 174667, 180177, 194503, 335703, 524001, 583509, 656507, 731063, 1002037, 1115833, 1969521, 2126119, 2193189, 3006111, 3245129, 3347499, 6378357, 9735387, 12197209, 19038703, 21200827, 36591627, 57116109, 61657451, 63602481, 184972353, 231746971, 353719061, 695240913, 1061157183, 6720662159, 20161986477]

約数ペア:

[(1, 20161986477), (3, 6720662159), (19, 1061157183), (29, 695240913), (57, 353719061), (87, 231746971), (109, 184972353), (317, 63602481), (327, 61657451), (353, 57116109), (551, 36591627), (951, 21200827), (1059, 19038703), (1653, 12197209), (2071, 9735387), (3161, 6378357), (6023, 3347499), (6213, 3245129), (6707, 3006111), (9193, 2193189), (9483, 2126119), (10237, 1969521), (18069, 1115833), (20121, 1002037), (27579, 731063), (30711, 656507), (34553, 583509), (38477, 524001), (60059, 335703), (103659, 194503), (111901, 180177), (115431, 174667)]