20723545

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{1091}}^1$

素因数の和:1256

約数の個数: 16

約数和(自身を含む): 25945920

約数和(自身を除く): 5222375

約数列:

[1, 5, 29, 131, 145, 655, 1091, 3799, 5455, 18995, 31639, 142921, 158195, 714605, 4144709, 20723545]

約数ペア:

[(1, 20723545), (5, 4144709), (29, 714605), (131, 158195), (145, 142921), (655, 31639), (1091, 18995), (3799, 5455)]