20165411

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{617}}^1$

素因数の和:683

約数の個数: 24

約数和(自身を含む): 25362720

約数和(自身を除く): 5197309

約数列:

[1, 7, 23, 29, 49, 161, 203, 617, 667, 1127, 1421, 4319, 4669, 14191, 17893, 30233, 32683, 99337, 125251, 411539, 695359, 876757, 2880773, 20165411]

約数ペア:

[(1, 20165411), (7, 2880773), (23, 876757), (29, 695359), (49, 411539), (161, 125251), (203, 99337), (617, 32683), (667, 30233), (1127, 17893), (1421, 14191), (4319, 4669)]