20205770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3307}}^1$

素因数の和:3374

約数の個数: 32

約数和(自身を含む): 40013568

約数和(自身を除く): 19807798

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 470, 611, 1222, 3055, 3307, 6110, 6614, 16535, 33070, 42991, 85982, 155429, 214955, 310858, 429910, 777145, 1554290, 2020577, 4041154, 10102885, 20205770]

約数ペア:

[(1, 20205770), (2, 10102885), (5, 4041154), (10, 2020577), (13, 1554290), (26, 777145), (47, 429910), (65, 310858), (94, 214955), (130, 155429), (235, 85982), (470, 42991), (611, 33070), (1222, 16535), (3055, 6614), (3307, 6110)]