20199232816

素因数分解:

$2^4\times 7^1\times {\mathrm{2767}}^1\times {\mathrm{65179}}^1$

素因数の和:67961

約数の個数: 40

約数和(自身を含む): 44743723520

約数和(自身を除く): 24544490704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2767, 5534, 11068, 19369, 22136, 38738, 44272, 65179, 77476, 130358, 154952, 260716, 309904, 456253, 521432, 912506, 1042864, 1825012, 3650024, 7300048, 180350293, 360700586, 721401172, 1262452051, 1442802344, 2524904102, 2885604688, 5049808204, 10099616408, 20199232816]

約数ペア:

[(1, 20199232816), (2, 10099616408), (4, 5049808204), (7, 2885604688), (8, 2524904102), (14, 1442802344), (16, 1262452051), (28, 721401172), (56, 360700586), (112, 180350293), (2767, 7300048), (5534, 3650024), (11068, 1825012), (19369, 1042864), (22136, 912506), (38738, 521432), (44272, 456253), (65179, 309904), (77476, 260716), (130358, 154952)]