20662694

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 35259840

約数和(自身を除く): 14597146

約数列:

[1, 2, 13, 23, 26, 46, 109, 218, 299, 317, 598, 634, 1417, 2507, 2834, 4121, 5014, 7291, 8242, 14582, 32591, 34553, 65182, 69106, 94783, 189566, 449189, 794719, 898378, 1589438, 10331347, 20662694]

約数ペア:

[(1, 20662694), (2, 10331347), (13, 1589438), (23, 898378), (26, 794719), (46, 449189), (109, 189566), (218, 94783), (299, 69106), (317, 65182), (598, 34553), (634, 32591), (1417, 14582), (2507, 8242), (2834, 7291), (4121, 5014)]