20407608

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21803}}^1$

素因数の和:21828

約数の個数: 48

約数和(自身を含む): 59524920

約数和(自身を除く): 39117312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 21803, 43606, 65409, 87212, 130818, 174424, 196227, 261636, 283439, 392454, 523272, 566878, 784908, 850317, 1133756, 1569816, 1700634, 2267512, 2550951, 3401268, 5101902, 6802536, 10203804, 20407608]

約数ペア:

[(1, 20407608), (2, 10203804), (3, 6802536), (4, 5101902), (6, 3401268), (8, 2550951), (9, 2267512), (12, 1700634), (13, 1569816), (18, 1133756), (24, 850317), (26, 784908), (36, 566878), (39, 523272), (52, 392454), (72, 283439), (78, 261636), (104, 196227), (117, 174424), (156, 130818), (234, 87212), (312, 65409), (468, 43606), (936, 21803)]