20723352

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{523}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 56340480

約数和(自身を除く): 35617128

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 127, 156, 254, 312, 381, 508, 523, 762, 1016, 1046, 1524, 1569, 1651, 2092, 3048, 3138, 3302, 4184, 4953, 6276, 6604, 6799, 9906, 12552, 13208, 13598, 19812, 20397, 27196, 39624, 40794, 54392, 66421, 81588, 132842, 163176, 199263, 265684, 398526, 531368, 797052, 863473, 1594104, 1726946, 2590419, 3453892, 5180838, 6907784, 10361676, 20723352]

約数ペア:

[(1, 20723352), (2, 10361676), (3, 6907784), (4, 5180838), (6, 3453892), (8, 2590419), (12, 1726946), (13, 1594104), (24, 863473), (26, 797052), (39, 531368), (52, 398526), (78, 265684), (104, 199263), (127, 163176), (156, 132842), (254, 81588), (312, 66421), (381, 54392), (508, 40794), (523, 39624), (762, 27196), (1016, 20397), (1046, 19812), (1524, 13598), (1569, 13208), (1651, 12552), (2092, 9906), (3048, 6799), (3138, 6604), (3302, 6276), (4184, 4953)]