20011772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11093}}^1$

素因数の和:11149

約数の個数: 24

約数和(自身を含む): 39139632

約数和(自身を除く): 19127860

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11093, 22186, 44372, 122023, 244046, 454813, 488092, 909626, 1819252, 5002943, 10005886, 20011772]

約数ペア:

[(1, 20011772), (2, 10005886), (4, 5002943), (11, 1819252), (22, 909626), (41, 488092), (44, 454813), (82, 244046), (164, 122023), (451, 44372), (902, 22186), (1804, 11093)]