20121609836

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{1987}}^1\times {\mathrm{148921}}^1$

素因数の和:150929

約数の個数: 24

約数和(自身を含む): 37303173936

約数和(自身を除く): 17181564100

約数列:

[1, 2, 4, 17, 34, 68, 1987, 3974, 7948, 33779, 67558, 135116, 148921, 297842, 595684, 2531657, 5063314, 10126628, 295906027, 591812054, 1183624108, 5030402459, 10060804918, 20121609836]

約数ペア:

[(1, 20121609836), (2, 10060804918), (4, 5030402459), (17, 1183624108), (34, 591812054), (68, 295906027), (1987, 10126628), (3974, 5063314), (7948, 2531657), (33779, 595684), (67558, 297842), (135116, 148921)]