20166488

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1877}}^1$

素因数の和:1979

約数の個数: 32

約数和(自身を含む): 40564800

約数和(自身を除く): 20398312

約数列:

[1, 2, 4, 8, 17, 34, 68, 79, 136, 158, 316, 632, 1343, 1877, 2686, 3754, 5372, 7508, 10744, 15016, 31909, 63818, 127636, 148283, 255272, 296566, 593132, 1186264, 2520811, 5041622, 10083244, 20166488]

約数ペア:

[(1, 20166488), (2, 10083244), (4, 5041622), (8, 2520811), (17, 1186264), (34, 593132), (68, 296566), (79, 255272), (136, 148283), (158, 127636), (316, 63818), (632, 31909), (1343, 15016), (1877, 10744), (2686, 7508), (3754, 5372)]