20511426

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2711}}^1$

素因数の和:2826

約数の個数: 32

約数和(自身を含む): 44650368

約数和(自身を除く): 24138942

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 97, 194, 291, 582, 1261, 2522, 2711, 3783, 5422, 7566, 8133, 16266, 35243, 70486, 105729, 211458, 262967, 525934, 788901, 1577802, 3418571, 6837142, 10255713, 20511426]

約数ペア:

[(1, 20511426), (2, 10255713), (3, 6837142), (6, 3418571), (13, 1577802), (26, 788901), (39, 525934), (78, 262967), (97, 211458), (194, 105729), (291, 70486), (582, 35243), (1261, 16266), (2522, 8133), (2711, 7566), (3783, 5422)]