20117786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 33723648

約数和(自身を除く): 13605862

約数列:

[1, 2, 13, 26, 47, 94, 101, 163, 202, 326, 611, 1222, 1313, 2119, 2626, 4238, 4747, 7661, 9494, 15322, 16463, 32926, 61711, 99593, 123422, 199186, 214019, 428038, 773761, 1547522, 10058893, 20117786]

約数ペア:

[(1, 20117786), (2, 10058893), (13, 1547522), (26, 773761), (47, 428038), (94, 214019), (101, 199186), (163, 123422), (202, 99593), (326, 61711), (611, 32926), (1222, 16463), (1313, 15322), (2119, 9494), (2626, 7661), (4238, 4747)]