20249919568

素因数分解:

$2^4\times {\mathrm{521}}^1\times {\mathrm{757}}^1\times {\mathrm{3209}}^1$

素因数の和:4495

約数の個数: 40

約数和(自身を含む): 39373718760

約数和(自身を除く): 19123799192

約数列:

[1, 2, 4, 8, 16, 521, 757, 1042, 1514, 2084, 3028, 3209, 4168, 6056, 6418, 8336, 12112, 12836, 25672, 51344, 394397, 788794, 1577588, 1671889, 2429213, 3155176, 3343778, 4858426, 6310352, 6687556, 9716852, 13375112, 19433704, 26750224, 38867408, 1265619973, 2531239946, 5062479892, 10124959784, 20249919568]

約数ペア:

[(1, 20249919568), (2, 10124959784), (4, 5062479892), (8, 2531239946), (16, 1265619973), (521, 38867408), (757, 26750224), (1042, 19433704), (1514, 13375112), (2084, 9716852), (3028, 6687556), (3209, 6310352), (4168, 4858426), (6056, 3343778), (6418, 3155176), (8336, 2429213), (12112, 1671889), (12836, 1577588), (25672, 788794), (51344, 394397)]