20080181305

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{8161}}^1$

素因数の和:8505

約数の個数: 32

約数和(自身を含む): 25387084800

約数和(自身を除く): 5306903495

約数列:

[1, 5, 29, 71, 145, 239, 355, 1195, 2059, 6931, 8161, 10295, 16969, 34655, 40805, 84845, 236669, 492101, 579431, 1183345, 1950479, 2460505, 2897155, 9752395, 16803499, 56563891, 84017495, 138484009, 282819455, 692420045, 4016036261, 20080181305]

約数ペア:

[(1, 20080181305), (5, 4016036261), (29, 692420045), (71, 282819455), (145, 138484009), (239, 84017495), (355, 56563891), (1195, 16803499), (2059, 9752395), (6931, 2897155), (8161, 2460505), (10295, 1950479), (16969, 1183345), (34655, 579431), (40805, 492101), (84845, 236669)]