20689926

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{479}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 43407360

約数和(自身を除く): 22717434

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 313, 479, 626, 939, 958, 1437, 1878, 2874, 7199, 11017, 14398, 21597, 22034, 33051, 43194, 66102, 149927, 299854, 449781, 899562, 3448321, 6896642, 10344963, 20689926]

約数ペア:

[(1, 20689926), (2, 10344963), (3, 6896642), (6, 3448321), (23, 899562), (46, 449781), (69, 299854), (138, 149927), (313, 66102), (479, 43194), (626, 33051), (939, 22034), (958, 21597), (1437, 14398), (1878, 11017), (2874, 7199)]