20104278

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 41306112

約数和(自身を除く): 21201834

約数列:

[1, 2, 3, 6, 53, 106, 159, 191, 318, 331, 382, 573, 662, 993, 1146, 1986, 10123, 17543, 20246, 30369, 35086, 52629, 60738, 63221, 105258, 126442, 189663, 379326, 3350713, 6701426, 10052139, 20104278]

約数ペア:

[(1, 20104278), (2, 10052139), (3, 6701426), (6, 3350713), (53, 379326), (106, 189663), (159, 126442), (191, 105258), (318, 63221), (331, 60738), (382, 52629), (573, 35086), (662, 30369), (993, 20246), (1146, 17543), (1986, 10123)]