20138552415

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^2\times {\mathrm{71707}}^1$

素因数の和:71876

約数の個数: 36

約数和(自身を含む): 35354768904

約数和(自身を除く): 15216216489

約数列:

[1, 3, 5, 9, 15, 45, 79, 237, 395, 711, 1185, 3555, 6241, 18723, 31205, 56169, 71707, 93615, 215121, 280845, 358535, 645363, 1075605, 3226815, 5664853, 16994559, 28324265, 50983677, 84972795, 254918385, 447523387, 1342570161, 2237616935, 4027710483, 6712850805, 20138552415]

約数ペア:

[(1, 20138552415), (3, 6712850805), (5, 4027710483), (9, 2237616935), (15, 1342570161), (45, 447523387), (79, 254918385), (237, 84972795), (395, 50983677), (711, 28324265), (1185, 16994559), (3555, 5664853), (6241, 3226815), (18723, 1075605), (31205, 645363), (56169, 358535), (71707, 280845), (93615, 215121)]