20654348

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{36109}}^1$

素因数の和:36137

約数の個数: 24

約数和(自身を含む): 42465360

約数和(自身を除く): 21811012

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 36109, 72218, 144436, 397199, 469417, 794398, 938834, 1588796, 1877668, 5163587, 10327174, 20654348]

約数ペア:

[(1, 20654348), (2, 10327174), (4, 5163587), (11, 1877668), (13, 1588796), (22, 938834), (26, 794398), (44, 469417), (52, 397199), (143, 144436), (286, 72218), (572, 36109)]