20525805

素因数分解:

$3^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{859}}^1$

素因数の和:935

約数の個数: 40

約数和(自身を含む): 37461600

約数和(自身を除く): 16935795

約数列:

[1, 3, 5, 9, 15, 27, 45, 59, 81, 135, 177, 295, 405, 531, 859, 885, 1593, 2577, 2655, 4295, 4779, 7731, 7965, 12885, 23193, 23895, 38655, 50681, 69579, 115965, 152043, 253405, 347895, 456129, 760215, 1368387, 2280645, 4105161, 6841935, 20525805]

約数ペア:

[(1, 20525805), (3, 6841935), (5, 4105161), (9, 2280645), (15, 1368387), (27, 760215), (45, 456129), (59, 347895), (81, 253405), (135, 152043), (177, 115965), (295, 69579), (405, 50681), (531, 38655), (859, 23895), (885, 23193), (1593, 12885), (2577, 7965), (2655, 7731), (4295, 4779)]