9091720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20663}}^1$

素因数の和:20685

約数の個数: 32

約数和(自身を含む): 22317120

約数和(自身を除く): 13225400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 20663, 41326, 82652, 103315, 165304, 206630, 227293, 413260, 454586, 826520, 909172, 1136465, 1818344, 2272930, 4545860, 9091720]

約数ペア:

[(1, 9091720), (2, 4545860), (4, 2272930), (5, 1818344), (8, 1136465), (10, 909172), (11, 826520), (20, 454586), (22, 413260), (40, 227293), (44, 206630), (55, 165304), (88, 103315), (110, 82652), (220, 41326), (440, 20663)]