20172990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2393}}^1$

素因数の和:2684

約数の個数: 32

約数和(自身を含む): 48607776

約数和(自身を除く): 28434786

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 281, 562, 843, 1405, 1686, 2393, 2810, 4215, 4786, 7179, 8430, 11965, 14358, 23930, 35895, 71790, 672433, 1344866, 2017299, 3362165, 4034598, 6724330, 10086495, 20172990]

約数ペア:

[(1, 20172990), (2, 10086495), (3, 6724330), (5, 4034598), (6, 3362165), (10, 2017299), (15, 1344866), (30, 672433), (281, 71790), (562, 35895), (843, 23930), (1405, 14358), (1686, 11965), (2393, 8430), (2810, 7179), (4215, 4786)]