20147030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{991}}^1$

素因数の和:1124

約数の個数: 32

約数和(自身を含む): 38568960

約数和(自身を除く): 18421930

約数列:

[1, 2, 5, 10, 19, 38, 95, 107, 190, 214, 535, 991, 1070, 1982, 2033, 4066, 4955, 9910, 10165, 18829, 20330, 37658, 94145, 106037, 188290, 212074, 530185, 1060370, 2014703, 4029406, 10073515, 20147030]

約数ペア:

[(1, 20147030), (2, 10073515), (5, 4029406), (10, 2014703), (19, 1060370), (38, 530185), (95, 212074), (107, 188290), (190, 106037), (214, 94145), (535, 37658), (991, 20330), (1070, 18829), (1982, 10165), (2033, 9910), (4066, 4955)]