20155830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7549}}^1$

素因数の和:7648

約数の個数: 32

約数和(自身を含む): 48924000

約数和(自身を除く): 28768170

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 89, 178, 267, 445, 534, 890, 1335, 2670, 7549, 15098, 22647, 37745, 45294, 75490, 113235, 226470, 671861, 1343722, 2015583, 3359305, 4031166, 6718610, 10077915, 20155830]

約数ペア:

[(1, 20155830), (2, 10077915), (3, 6718610), (5, 4031166), (6, 3359305), (10, 2015583), (15, 1343722), (30, 671861), (89, 226470), (178, 113235), (267, 75490), (445, 45294), (534, 37745), (890, 22647), (1335, 15098), (2670, 7549)]