20370255

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 34172928

約数和(自身を除く): 13802673

約数列:

[1, 3, 5, 15, 31, 71, 93, 155, 213, 355, 465, 617, 1065, 1851, 2201, 3085, 6603, 9255, 11005, 19127, 33015, 43807, 57381, 95635, 131421, 219035, 286905, 657105, 1358017, 4074051, 6790085, 20370255]

約数ペア:

[(1, 20370255), (3, 6790085), (5, 4074051), (15, 1358017), (31, 657105), (71, 286905), (93, 219035), (155, 131421), (213, 95635), (355, 57381), (465, 43807), (617, 33015), (1065, 19127), (1851, 11005), (2201, 9255), (3085, 6603)]