20841748

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{373}}^1$

素因数の和:667

約数の個数: 24

約数和(自身を含む): 37332680

約数和(自身を除く): 16490932

約数列:

[1, 2, 4, 61, 122, 229, 244, 373, 458, 746, 916, 1492, 13969, 22753, 27938, 45506, 55876, 85417, 91012, 170834, 341668, 5210437, 10420874, 20841748]

約数ペア:

[(1, 20841748), (2, 10420874), (4, 5210437), (61, 341668), (122, 170834), (229, 91012), (244, 85417), (373, 55876), (458, 45506), (746, 27938), (916, 22753), (1492, 13969)]