20137900

素因数分解:

$2^2\times 5^2\times {\mathrm{277}}^1\times {\mathrm{727}}^1$

素因数の和:1018

約数の個数: 36

約数和(自身を含む): 43917328

約数和(自身を除く): 23779428

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 277, 554, 727, 1108, 1385, 1454, 2770, 2908, 3635, 5540, 6925, 7270, 13850, 14540, 18175, 27700, 36350, 72700, 201379, 402758, 805516, 1006895, 2013790, 4027580, 5034475, 10068950, 20137900]

約数ペア:

[(1, 20137900), (2, 10068950), (4, 5034475), (5, 4027580), (10, 2013790), (20, 1006895), (25, 805516), (50, 402758), (100, 201379), (277, 72700), (554, 36350), (727, 27700), (1108, 18175), (1385, 14540), (1454, 13850), (2770, 7270), (2908, 6925), (3635, 5540)]