20106182461

素因数分解:

${\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 21348827136

約数和(自身を除く): 1242644675

約数列:

[1, 31, 73, 181, 191, 257, 2263, 5611, 5921, 7967, 13213, 13943, 18761, 34571, 46517, 49087, 409603, 432233, 581591, 1071701, 1442027, 1521697, 2523683, 3395741, 3583351, 8884747, 78234173, 105267971, 111083881, 275427157, 648586531, 20106182461]

約数ペア:

[(1, 20106182461), (31, 648586531), (73, 275427157), (181, 111083881), (191, 105267971), (257, 78234173), (2263, 8884747), (5611, 3583351), (5921, 3395741), (7967, 2523683), (13213, 1521697), (13943, 1442027), (18761, 1071701), (34571, 581591), (46517, 432233), (49087, 409603)]