20123994352

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1181}}^1\times {\mathrm{13831}}^1$

素因数の和:15038

約数の個数: 80

約数和(自身を含む): 48655885824

約数和(自身を除く): 28531891472

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1181, 1232, 2362, 4724, 8267, 9448, 12991, 13831, 16534, 18896, 25982, 27662, 33068, 51964, 55324, 66136, 90937, 96817, 103928, 110648, 132272, 152141, 181874, 193634, 207856, 221296, 304282, 363748, 387268, 608564, 727496, 774536, 1064987, 1217128, 1454992, 1549072, 2129974, 2434256, 4259948, 8519896, 16334411, 17039792, 32668822, 65337644, 114340877, 130675288, 179678521, 228681754, 261350576, 359357042, 457363508, 718714084, 914727016, 1257749647, 1437428168, 1829454032, 2515499294, 2874856336, 5030998588, 10061997176, 20123994352]

約数ペア:

[(1, 20123994352), (2, 10061997176), (4, 5030998588), (7, 2874856336), (8, 2515499294), (11, 1829454032), (14, 1437428168), (16, 1257749647), (22, 914727016), (28, 718714084), (44, 457363508), (56, 359357042), (77, 261350576), (88, 228681754), (112, 179678521), (154, 130675288), (176, 114340877), (308, 65337644), (616, 32668822), (1181, 17039792), (1232, 16334411), (2362, 8519896), (4724, 4259948), (8267, 2434256), (9448, 2129974), (12991, 1549072), (13831, 1454992), (16534, 1217128), (18896, 1064987), (25982, 774536), (27662, 727496), (33068, 608564), (51964, 387268), (55324, 363748), (66136, 304282), (90937, 221296), (96817, 207856), (103928, 193634), (110648, 181874), (132272, 152141)]