20584510

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 17517890

約数列:

[1, 2, 5, 10, 59, 118, 139, 251, 278, 295, 502, 590, 695, 1255, 1390, 2510, 8201, 14809, 16402, 29618, 34889, 41005, 69778, 74045, 82010, 148090, 174445, 348890, 2058451, 4116902, 10292255, 20584510]

約数ペア:

[(1, 20584510), (2, 10292255), (5, 4116902), (10, 2058451), (59, 348890), (118, 174445), (139, 148090), (251, 82010), (278, 74045), (295, 69778), (502, 41005), (590, 34889), (695, 29618), (1255, 16402), (1390, 14809), (2510, 8201)]