20187976

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1879}}^1$

素因数の和:1981

約数の個数: 32

約数和(自身を含む): 40608000

約数和(自身を除く): 20420024

約数列:

[1, 2, 4, 8, 17, 34, 68, 79, 136, 158, 316, 632, 1343, 1879, 2686, 3758, 5372, 7516, 10744, 15032, 31943, 63886, 127772, 148441, 255544, 296882, 593764, 1187528, 2523497, 5046994, 10093988, 20187976]

約数ペア:

[(1, 20187976), (2, 10093988), (4, 5046994), (8, 2523497), (17, 1187528), (34, 593764), (68, 296882), (79, 255544), (136, 148441), (158, 127772), (316, 63886), (632, 31943), (1343, 15032), (1879, 10744), (2686, 7516), (3758, 5372)]