20212432870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41249863}}^1$

素因数の和:41249884

約数の個数: 24

約数和(自身を含む): 42322360464

約数和(自身を除く): 22109927594

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41249863, 82499726, 206249315, 288749041, 412498630, 577498082, 1443745205, 2021243287, 2887490410, 4042486574, 10106216435, 20212432870]

約数ペア:

[(1, 20212432870), (2, 10106216435), (5, 4042486574), (7, 2887490410), (10, 2021243287), (14, 1443745205), (35, 577498082), (49, 412498630), (70, 288749041), (98, 206249315), (245, 82499726), (490, 41249863)]