20081955890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3691}}^1\times {\mathrm{12653}}^1$

素因数の和:16394

約数の個数: 32

約数和(自身を含む): 37001105856

約数和(自身を除く): 16919149966

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 3691, 7382, 12653, 18455, 25306, 36910, 63265, 126530, 158713, 317426, 544079, 793565, 1088158, 1587130, 2720395, 5440790, 46702223, 93404446, 233511115, 467022230, 2008195589, 4016391178, 10040977945, 20081955890]

約数ペア:

[(1, 20081955890), (2, 10040977945), (5, 4016391178), (10, 2008195589), (43, 467022230), (86, 233511115), (215, 93404446), (430, 46702223), (3691, 5440790), (7382, 2720395), (12653, 1587130), (18455, 1088158), (25306, 793565), (36910, 544079), (63265, 317426), (126530, 158713)]