20452640375

素因数分解:

$5^3\times {\mathrm{53}}^1\times {\mathrm{827}}^1\times {\mathrm{3733}}^1$

素因数の和:4628

約数の個数: 32

約数和(自身を含む): 26044918848

約数和(自身を除く): 5592278473

約数列:

[1, 5, 25, 53, 125, 265, 827, 1325, 3733, 4135, 6625, 18665, 20675, 43831, 93325, 103375, 197849, 219155, 466625, 989245, 1095775, 3087191, 4946225, 5478875, 15435955, 24731125, 77179775, 163621123, 385898875, 818105615, 4090528075, 20452640375]

約数ペア:

[(1, 20452640375), (5, 4090528075), (25, 818105615), (53, 385898875), (125, 163621123), (265, 77179775), (827, 24731125), (1325, 15435955), (3733, 5478875), (4135, 4946225), (6625, 3087191), (18665, 1095775), (20675, 989245), (43831, 466625), (93325, 219155), (103375, 197849)]