20894372

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{1009}}^1$

素因数の和:1211

約数の個数: 24

約数和(自身を含む): 38008320

約数和(自身を除く): 17113948

約数列:

[1, 2, 4, 31, 62, 124, 167, 334, 668, 1009, 2018, 4036, 5177, 10354, 20708, 31279, 62558, 125116, 168503, 337006, 674012, 5223593, 10447186, 20894372]

約数ペア:

[(1, 20894372), (2, 10447186), (4, 5223593), (31, 674012), (62, 337006), (124, 168503), (167, 125116), (334, 62558), (668, 31279), (1009, 20708), (2018, 10354), (4036, 5177)]