20258446

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1783}}^1$

素因数の和:1840

約数の個数: 32

約数和(自身を含む): 35965440

約数和(自身を除く): 15706994

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 247, 299, 437, 494, 598, 874, 1783, 3566, 5681, 11362, 23179, 33877, 41009, 46358, 67754, 82018, 440401, 533117, 779171, 880802, 1066234, 1558342, 10129223, 20258446]

約数ペア:

[(1, 20258446), (2, 10129223), (13, 1558342), (19, 1066234), (23, 880802), (26, 779171), (38, 533117), (46, 440401), (247, 82018), (299, 67754), (437, 46358), (494, 41009), (598, 33877), (874, 23179), (1783, 11362), (3566, 5681)]