20945108

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{1033}}^1$

素因数の和:1211

約数の個数: 24

約数和(自身を含む): 37956072

約数和(自身を除く): 17010964

約数列:

[1, 2, 4, 37, 74, 137, 148, 274, 548, 1033, 2066, 4132, 5069, 10138, 20276, 38221, 76442, 141521, 152884, 283042, 566084, 5236277, 10472554, 20945108]

約数ペア:

[(1, 20945108), (2, 10472554), (4, 5236277), (37, 566084), (74, 283042), (137, 152884), (148, 141521), (274, 76442), (548, 38221), (1033, 20276), (2066, 10138), (4132, 5069)]