20164804915

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{563}}^1\times {\mathrm{4091}}^1$

素因数の和:4779

約数の個数: 32

約数和(自身を含む): 25922198016

約数和(自身を除く): 5757393101

約数列:

[1, 5, 17, 85, 103, 515, 563, 1751, 2815, 4091, 8755, 9571, 20455, 47855, 57989, 69547, 289945, 347735, 421373, 985813, 2106865, 2303233, 4929065, 7163341, 11516165, 35816705, 39154961, 195774805, 237232999, 1186164995, 4032960983, 20164804915]

約数ペア:

[(1, 20164804915), (5, 4032960983), (17, 1186164995), (85, 237232999), (103, 195774805), (515, 39154961), (563, 35816705), (1751, 11516165), (2815, 7163341), (4091, 4929065), (8755, 2303233), (9571, 2106865), (20455, 985813), (47855, 421373), (57989, 347735), (69547, 289945)]