20172847180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1\times {\mathrm{83009}}^1$

素因数の和:83466

約数の個数: 48

約数和(自身を含む): 43928892000

約数和(自身を除く): 23756044820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 419, 580, 838, 1676, 2095, 4190, 8380, 12151, 24302, 48604, 60755, 83009, 121510, 166018, 243020, 332036, 415045, 830090, 1660180, 2407261, 4814522, 9629044, 12036305, 24072610, 34780771, 48145220, 69561542, 139123084, 173903855, 347807710, 695615420, 1008642359, 2017284718, 4034569436, 5043211795, 10086423590, 20172847180]

約数ペア:

[(1, 20172847180), (2, 10086423590), (4, 5043211795), (5, 4034569436), (10, 2017284718), (20, 1008642359), (29, 695615420), (58, 347807710), (116, 173903855), (145, 139123084), (290, 69561542), (419, 48145220), (580, 34780771), (838, 24072610), (1676, 12036305), (2095, 9629044), (4190, 4814522), (8380, 2407261), (12151, 1660180), (24302, 830090), (48604, 415045), (60755, 332036), (83009, 243020), (121510, 166018)]