20102340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4241}}^1$

素因数の和:4332

約数の個数: 48

約数和(自身を含む): 57012480

約数和(自身を除く): 36910140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4241, 4740, 8482, 12723, 16964, 21205, 25446, 42410, 50892, 63615, 84820, 127230, 254460, 335039, 670078, 1005117, 1340156, 1675195, 2010234, 3350390, 4020468, 5025585, 6700780, 10051170, 20102340]

約数ペア:

[(1, 20102340), (2, 10051170), (3, 6700780), (4, 5025585), (5, 4020468), (6, 3350390), (10, 2010234), (12, 1675195), (15, 1340156), (20, 1005117), (30, 670078), (60, 335039), (79, 254460), (158, 127230), (237, 84820), (316, 63615), (395, 50892), (474, 42410), (790, 25446), (948, 21205), (1185, 16964), (1580, 12723), (2370, 8482), (4241, 4740)]