20031193745

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{38611}}^1$

素因数の和:38805

約数の個数: 32

約数和(自身を含む): 26095534080

約数和(自身を除く): 6064340335

約数列:

[1, 5, 19, 43, 95, 127, 215, 635, 817, 2413, 4085, 5461, 12065, 27305, 38611, 103759, 193055, 518795, 733609, 1660273, 3668045, 4903597, 8301365, 24517985, 31545187, 93168343, 157725935, 210854671, 465841715, 1054273355, 4006238749, 20031193745]

約数ペア:

[(1, 20031193745), (5, 4006238749), (19, 1054273355), (43, 465841715), (95, 210854671), (127, 157725935), (215, 93168343), (635, 31545187), (817, 24517985), (2413, 8301365), (4085, 4903597), (5461, 3668045), (12065, 1660273), (27305, 733609), (38611, 518795), (103759, 193055)]