20577575902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1\times {\mathrm{28411}}^1$

素因数の和:28828

約数の個数: 32

約数和(自身を含む): 33722771040

約数和(自身を除く): 13145195138

約数列:

[1, 2, 13, 26, 89, 178, 313, 626, 1157, 2314, 4069, 8138, 27857, 28411, 55714, 56822, 362141, 369343, 724282, 738686, 2528579, 5057158, 8892643, 17785286, 32871527, 65743054, 115604359, 231208718, 791445227, 1582890454, 10288787951, 20577575902]

約数ペア:

[(1, 20577575902), (2, 10288787951), (13, 1582890454), (26, 791445227), (89, 231208718), (178, 115604359), (313, 65743054), (626, 32871527), (1157, 17785286), (2314, 8892643), (4069, 5057158), (8138, 2528579), (27857, 738686), (28411, 724282), (55714, 369343), (56822, 362141)]