20447925

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{4621}}^1$

素因数の和:4693

約数の個数: 24

約数和(自身を含む): 34387680

約数和(自身を除く): 13939755

約数列:

[1, 3, 5, 15, 25, 59, 75, 177, 295, 885, 1475, 4425, 4621, 13863, 23105, 69315, 115525, 272639, 346575, 817917, 1363195, 4089585, 6815975, 20447925]

約数ペア:

[(1, 20447925), (3, 6815975), (5, 4089585), (15, 1363195), (25, 817917), (59, 346575), (75, 272639), (177, 115525), (295, 69315), (885, 23105), (1475, 13863), (4425, 4621)]