20406280330

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2351}}^1\times {\mathrm{23459}}^1$

素因数の和:25854

約数の個数: 32

約数和(自身を含む): 37741697280

約数和(自身を除く): 17335416950

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 2351, 4702, 11755, 23459, 23510, 46918, 86987, 117295, 173974, 234590, 434935, 867983, 869870, 1735966, 4339915, 8679830, 55152109, 110304218, 275760545, 551521090, 2040628033, 4081256066, 10203140165, 20406280330]

約数ペア:

[(1, 20406280330), (2, 10203140165), (5, 4081256066), (10, 2040628033), (37, 551521090), (74, 275760545), (185, 110304218), (370, 55152109), (2351, 8679830), (4702, 4339915), (11755, 1735966), (23459, 869870), (23510, 867983), (46918, 434935), (86987, 234590), (117295, 173974)]