20565190615

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{727}}^1\times {\mathrm{8117}}^1$

素因数の和:8907

約数の個数: 32

約数和(自身を含む): 26807324544

約数和(自身を除く): 6242133929

約数列:

[1, 5, 17, 41, 85, 205, 697, 727, 3485, 3635, 8117, 12359, 29807, 40585, 61795, 137989, 149035, 332797, 506719, 689945, 1663985, 2533595, 5657549, 5901059, 28287745, 29505295, 100318003, 241943419, 501590015, 1209717095, 4113038123, 20565190615]

約数ペア:

[(1, 20565190615), (5, 4113038123), (17, 1209717095), (41, 501590015), (85, 241943419), (205, 100318003), (697, 29505295), (727, 28287745), (3485, 5901059), (3635, 5657549), (8117, 2533595), (12359, 1663985), (29807, 689945), (40585, 506719), (61795, 332797), (137989, 149035)]