20215398

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4673}}^1$

素因数の和:4788

約数の個数: 32

約数和(自身を含む): 46665216

約数和(自身を除く): 26449818

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 103, 206, 309, 618, 721, 1442, 2163, 4326, 4673, 9346, 14019, 28038, 32711, 65422, 98133, 196266, 481319, 962638, 1443957, 2887914, 3369233, 6738466, 10107699, 20215398]

約数ペア:

[(1, 20215398), (2, 10107699), (3, 6738466), (6, 3369233), (7, 2887914), (14, 1443957), (21, 962638), (42, 481319), (103, 196266), (206, 98133), (309, 65422), (618, 32711), (721, 28038), (1442, 14019), (2163, 9346), (4326, 4673)]