20508626

素因数分解:

$2^1\times {\mathrm{29}}^2\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:286

約数の個数: 24

約数和(自身を含む): 32453460

約数和(自身を除く): 11944834

約数列:

[1, 2, 29, 58, 89, 137, 178, 274, 841, 1682, 2581, 3973, 5162, 7946, 12193, 24386, 74849, 115217, 149698, 230434, 353597, 707194, 10254313, 20508626]

約数ペア:

[(1, 20508626), (2, 10254313), (29, 707194), (58, 353597), (89, 230434), (137, 149698), (178, 115217), (274, 74849), (841, 24386), (1682, 12193), (2581, 7946), (3973, 5162)]