20958666

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{401}}^1$

素因数の和:718

約数の個数: 32

約数和(自身を含む): 43531776

約数和(自身を除く): 22573110

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 281, 401, 562, 802, 843, 1203, 1686, 2406, 8711, 12431, 17422, 24862, 26133, 37293, 52266, 74586, 112681, 225362, 338043, 676086, 3493111, 6986222, 10479333, 20958666]

約数ペア:

[(1, 20958666), (2, 10479333), (3, 6986222), (6, 3493111), (31, 676086), (62, 338043), (93, 225362), (186, 112681), (281, 74586), (401, 52266), (562, 37293), (802, 26133), (843, 24862), (1203, 17422), (1686, 12431), (2406, 8711)]