20154290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{677}}^1$

素因数の和:926

約数の個数: 32

約数和(自身を含む): 39296880

約数和(自身を除く): 19142590

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 229, 458, 677, 1145, 1354, 2290, 2977, 3385, 5954, 6770, 8801, 14885, 17602, 29770, 44005, 88010, 155033, 310066, 775165, 1550330, 2015429, 4030858, 10077145, 20154290]

約数ペア:

[(1, 20154290), (2, 10077145), (5, 4030858), (10, 2015429), (13, 1550330), (26, 775165), (65, 310066), (130, 155033), (229, 88010), (458, 44005), (677, 29770), (1145, 17602), (1354, 14885), (2290, 8801), (2977, 6770), (3385, 5954)]