20486533893

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{57385249}}^1$

素因数の和:57385276

約数の個数: 16

約数和(自身を含む): 33053904000

約数和(自身を除く): 12567370107

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 57385249, 172155747, 401696743, 975549233, 1205090229, 2926647699, 6828844631, 20486533893]

約数ペア:

[(1, 20486533893), (3, 6828844631), (7, 2926647699), (17, 1205090229), (21, 975549233), (51, 401696743), (119, 172155747), (357, 57385249)]