20813176

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 39986640

約数和(自身を除く): 19173464

約数列:

[1, 2, 4, 8, 73, 146, 157, 227, 292, 314, 454, 584, 628, 908, 1256, 1816, 11461, 16571, 22922, 33142, 35639, 45844, 66284, 71278, 91688, 132568, 142556, 285112, 2601647, 5203294, 10406588, 20813176]

約数ペア:

[(1, 20813176), (2, 10406588), (4, 5203294), (8, 2601647), (73, 285112), (146, 142556), (157, 132568), (227, 91688), (292, 71278), (314, 66284), (454, 45844), (584, 35639), (628, 33142), (908, 22922), (1256, 16571), (1816, 11461)]