20645153307

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{1031}}^1\times {\mathrm{47339}}^1$

素因数の和:48423

約数の個数: 24

約数和(自身を含む): 30485445120

約数和(自身を除く): 9840291813

約数列:

[1, 3, 9, 47, 141, 423, 1031, 3093, 9279, 47339, 48457, 142017, 145371, 426051, 436113, 2224933, 6674799, 20024397, 48806509, 146419527, 439258581, 2293905923, 6881717769, 20645153307]

約数ペア:

[(1, 20645153307), (3, 6881717769), (9, 2293905923), (47, 439258581), (141, 146419527), (423, 48806509), (1031, 20024397), (3093, 6674799), (9279, 2224933), (47339, 436113), (48457, 426051), (142017, 145371)]