20607725

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 26462592

約数和(自身を除く): 5854867

約数列:

[1, 5, 25, 53, 103, 151, 265, 515, 755, 1325, 2575, 3775, 5459, 8003, 15553, 27295, 40015, 77765, 136475, 200075, 388825, 824309, 4121545, 20607725]

約数ペア:

[(1, 20607725), (5, 4121545), (25, 824309), (53, 388825), (103, 200075), (151, 136475), (265, 77765), (515, 40015), (755, 27295), (1325, 15553), (2575, 8003), (3775, 5459)]