20727225

素因数分解:

$3^3\times 5^2\times {\mathrm{30707}}^1$

素因数の和:30726

約数の個数: 24

約数和(自身を含む): 38077920

約数和(自身を除く): 17350695

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 30707, 92121, 153535, 276363, 460605, 767675, 829089, 1381815, 2303025, 4145445, 6909075, 20727225]

約数ペア:

[(1, 20727225), (3, 6909075), (5, 4145445), (9, 2303025), (15, 1381815), (25, 829089), (27, 767675), (45, 460605), (75, 276363), (135, 153535), (225, 92121), (675, 30707)]