20145897639

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{10141}}^1$

素因数の和:10637

約数の個数: 64

約数和(自身を含む): 35673876480

約数和(自身を除く): 15527978841

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 457, 483, 621, 1371, 1449, 3199, 4113, 4347, 9597, 10141, 10511, 12339, 28791, 30423, 31533, 70987, 73577, 86373, 91269, 94599, 212961, 220731, 233243, 273807, 283797, 638883, 662193, 699729, 1632701, 1916649, 1986579, 2099187, 4634437, 4898103, 6297561, 13903311, 14694309, 32441059, 41709933, 44082927, 97323177, 106592051, 125129799, 291969531, 319776153, 746144357, 875908593, 959328459, 2238433071, 2877985377, 6715299213, 20145897639]

約数ペア:

[(1, 20145897639), (3, 6715299213), (7, 2877985377), (9, 2238433071), (21, 959328459), (23, 875908593), (27, 746144357), (63, 319776153), (69, 291969531), (161, 125129799), (189, 106592051), (207, 97323177), (457, 44082927), (483, 41709933), (621, 32441059), (1371, 14694309), (1449, 13903311), (3199, 6297561), (4113, 4898103), (4347, 4634437), (9597, 2099187), (10141, 1986579), (10511, 1916649), (12339, 1632701), (28791, 699729), (30423, 662193), (31533, 638883), (70987, 283797), (73577, 273807), (86373, 233243), (91269, 220731), (94599, 212961)]