20153729578

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1\times {\mathrm{12823}}^1$

素因数の和:13246

約数の個数: 32

約数和(自身を含む): 31612904064

約数和(自身を除く): 11459174486

約数列:

[1, 2, 37, 67, 74, 134, 317, 634, 2479, 4958, 11729, 12823, 21239, 23458, 25646, 42478, 474451, 785843, 859141, 948902, 1571686, 1718282, 4064891, 8129782, 31788217, 63576434, 150400967, 272347697, 300801934, 544695394, 10076864789, 20153729578]

約数ペア:

[(1, 20153729578), (2, 10076864789), (37, 544695394), (67, 300801934), (74, 272347697), (134, 150400967), (317, 63576434), (634, 31788217), (2479, 8129782), (4958, 4064891), (11729, 1718282), (12823, 1571686), (21239, 948902), (23458, 859141), (25646, 785843), (42478, 474451)]