20201154470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1\times {\mathrm{13781}}^1$

素因数の和:14325

約数の個数: 64

約数和(自身を含む): 42613502976

約数和(自身を除く): 22412348506

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 487, 602, 974, 1505, 2435, 3010, 3409, 4870, 6818, 13781, 17045, 20941, 27562, 34090, 41882, 68905, 96467, 104705, 137810, 146587, 192934, 209410, 293174, 482335, 592583, 732935, 964670, 1185166, 1465870, 2962915, 4148081, 5925830, 6711347, 8296162, 13422694, 20740405, 33556735, 41480810, 46979429, 67113470, 93958858, 234897145, 288587921, 469794290, 577175842, 1442939605, 2020115447, 2885879210, 4040230894, 10100577235, 20201154470]

約数ペア:

[(1, 20201154470), (2, 10100577235), (5, 4040230894), (7, 2885879210), (10, 2020115447), (14, 1442939605), (35, 577175842), (43, 469794290), (70, 288587921), (86, 234897145), (215, 93958858), (301, 67113470), (430, 46979429), (487, 41480810), (602, 33556735), (974, 20740405), (1505, 13422694), (2435, 8296162), (3010, 6711347), (3409, 5925830), (4870, 4148081), (6818, 2962915), (13781, 1465870), (17045, 1185166), (20941, 964670), (27562, 732935), (34090, 592583), (41882, 482335), (68905, 293174), (96467, 209410), (104705, 192934), (137810, 146587)]