20451496

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6781}}^1$

素因数の和:6829

約数の個数: 32

約数和(自身を含む): 42726600

約数和(自身を除く): 22275104

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 232, 377, 754, 1508, 3016, 6781, 13562, 27124, 54248, 88153, 176306, 196649, 352612, 393298, 705224, 786596, 1573192, 2556437, 5112874, 10225748, 20451496]

約数ペア:

[(1, 20451496), (2, 10225748), (4, 5112874), (8, 2556437), (13, 1573192), (26, 786596), (29, 705224), (52, 393298), (58, 352612), (104, 196649), (116, 176306), (232, 88153), (377, 54248), (754, 27124), (1508, 13562), (3016, 6781)]