20089360

素因数分解:

$2^4\times 5^1\times {\mathrm{251117}}^1$

素因数の和:251130

約数の個数: 20

約数和(自身を含む): 46707948

約数和(自身を除く): 26618588

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251117, 502234, 1004468, 1255585, 2008936, 2511170, 4017872, 5022340, 10044680, 20089360]

約数ペア:

[(1, 20089360), (2, 10044680), (4, 5022340), (5, 4017872), (8, 2511170), (10, 2008936), (16, 1255585), (20, 1004468), (40, 502234), (80, 251117)]