20121892

素因数分解:

$2^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{2267}}^1$

素因数の和:2595

約数の個数: 24

約数和(自身を含む): 40388544

約数和(自身を除く): 20266652

約数列:

[1, 2, 4, 7, 14, 28, 317, 634, 1268, 2219, 2267, 4438, 4534, 8876, 9068, 15869, 31738, 63476, 718639, 1437278, 2874556, 5030473, 10060946, 20121892]

約数ペア:

[(1, 20121892), (2, 10060946), (4, 5030473), (7, 2874556), (14, 1437278), (28, 718639), (317, 63476), (634, 31738), (1268, 15869), (2219, 9068), (2267, 8876), (4438, 4534)]