20689110176

素因数分解:

$2^5\times 7^1\times {\mathrm{4729}}^1\times {\mathrm{19531}}^1$

素因数の和:24277

約数の個数: 48

約数和(自身を含む): 46562725440

約数和(自身を除く): 25873615264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 4729, 9458, 18916, 19531, 33103, 37832, 39062, 66206, 75664, 78124, 132412, 136717, 151328, 156248, 264824, 273434, 312496, 529648, 546868, 624992, 1059296, 1093736, 2187472, 4374944, 92362099, 184724198, 369448396, 646534693, 738896792, 1293069386, 1477793584, 2586138772, 2955587168, 5172277544, 10344555088, 20689110176]

約数ペア:

[(1, 20689110176), (2, 10344555088), (4, 5172277544), (7, 2955587168), (8, 2586138772), (14, 1477793584), (16, 1293069386), (28, 738896792), (32, 646534693), (56, 369448396), (112, 184724198), (224, 92362099), (4729, 4374944), (9458, 2187472), (18916, 1093736), (19531, 1059296), (33103, 624992), (37832, 546868), (39062, 529648), (66206, 312496), (75664, 273434), (78124, 264824), (132412, 156248), (136717, 151328)]