20356404

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 48787200

約数和(自身を除く): 28430796

約数列:

[1, 2, 3, 4, 6, 12, 79, 109, 158, 197, 218, 237, 316, 327, 394, 436, 474, 591, 654, 788, 948, 1182, 1308, 2364, 8611, 15563, 17222, 21473, 25833, 31126, 34444, 42946, 46689, 51666, 62252, 64419, 85892, 93378, 103332, 128838, 186756, 257676, 1696367, 3392734, 5089101, 6785468, 10178202, 20356404]

約数ペア:

[(1, 20356404), (2, 10178202), (3, 6785468), (4, 5089101), (6, 3392734), (12, 1696367), (79, 257676), (109, 186756), (158, 128838), (197, 103332), (218, 93378), (237, 85892), (316, 64419), (327, 62252), (394, 51666), (436, 46689), (474, 42946), (591, 34444), (654, 31126), (788, 25833), (948, 21473), (1182, 17222), (1308, 15563), (2364, 8611)]