20207781

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12007}}^1$

素因数の和:12041

約数の個数: 24

約数和(自身を含む): 33718464

約数和(自身を除く): 13510683

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 12007, 36021, 108063, 132077, 204119, 396231, 612357, 1188693, 1837071, 2245309, 6735927, 20207781]

約数ペア:

[(1, 20207781), (3, 6735927), (9, 2245309), (11, 1837071), (17, 1188693), (33, 612357), (51, 396231), (99, 204119), (153, 132077), (187, 108063), (561, 36021), (1683, 12007)]