20911364

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{617}}^1$

素因数の和:887

約数の個数: 24

約数和(自身を含む): 37809240

約数和(自身を除く): 16897876

約数列:

[1, 2, 4, 37, 74, 148, 229, 458, 617, 916, 1234, 2468, 8473, 16946, 22829, 33892, 45658, 91316, 141293, 282586, 565172, 5227841, 10455682, 20911364]

約数ペア:

[(1, 20911364), (2, 10455682), (4, 5227841), (37, 565172), (74, 282586), (148, 141293), (229, 91316), (458, 45658), (617, 33892), (916, 22829), (1234, 16946), (2468, 8473)]