20781658578

素因数分解:

$2^1\times 3^1\times {\mathrm{151}}^1\times {\mathrm{659}}^1\times {\mathrm{34807}}^1$

素因数の和:35622

約数の個数: 32

約数和(自身を含む): 41903262720

約数和(自身を除く): 21121604142

約数列:

[1, 2, 3, 6, 151, 302, 453, 659, 906, 1318, 1977, 3954, 34807, 69614, 99509, 104421, 199018, 208842, 298527, 597054, 5255857, 10511714, 15767571, 22937813, 31535142, 45875626, 68813439, 137626878, 3463609763, 6927219526, 10390829289, 20781658578]

約数ペア:

[(1, 20781658578), (2, 10390829289), (3, 6927219526), (6, 3463609763), (151, 137626878), (302, 68813439), (453, 45875626), (659, 31535142), (906, 22937813), (1318, 15767571), (1977, 10511714), (3954, 5255857), (34807, 597054), (69614, 298527), (99509, 208842), (104421, 199018)]