20168752555

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{16963}}^1$

素因数の和:17216

約数の個数: 48

約数和(自身を含む): 29518988544

約数和(自身を除く): 9350235989

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 211, 245, 805, 1055, 1127, 1477, 4853, 5635, 7385, 10339, 16963, 24265, 33971, 51695, 84815, 118741, 169855, 237797, 390149, 593705, 831187, 1188985, 1950745, 2731043, 3579193, 4155935, 13655215, 17895965, 19117301, 25054351, 82321439, 95586505, 125271755, 175380457, 411607195, 576250073, 876902285, 2881250365, 4033750511, 20168752555]

約数ペア:

[(1, 20168752555), (5, 4033750511), (7, 2881250365), (23, 876902285), (35, 576250073), (49, 411607195), (115, 175380457), (161, 125271755), (211, 95586505), (245, 82321439), (805, 25054351), (1055, 19117301), (1127, 17895965), (1477, 13655215), (4853, 4155935), (5635, 3579193), (7385, 2731043), (10339, 1950745), (16963, 1188985), (24265, 831187), (33971, 593705), (51695, 390149), (84815, 237797), (118741, 169855)]