20512452088

素因数分解:

$2^3\times {\mathrm{631}}^1\times {\mathrm{1489}}^1\times {\mathrm{2729}}^1$

素因数の和:4855

約数の個数: 32

約数和(自身を含む): 38561796000

約数和(自身を除く): 18049343912

約数列:

[1, 2, 4, 8, 631, 1262, 1489, 2524, 2729, 2978, 5048, 5458, 5956, 10916, 11912, 21832, 939559, 1721999, 1879118, 3443998, 3758236, 4063481, 6887996, 7516472, 8126962, 13775992, 16253924, 32507848, 2564056511, 5128113022, 10256226044, 20512452088]

約数ペア:

[(1, 20512452088), (2, 10256226044), (4, 5128113022), (8, 2564056511), (631, 32507848), (1262, 16253924), (1489, 13775992), (2524, 8126962), (2729, 7516472), (2978, 6887996), (5048, 4063481), (5458, 3758236), (5956, 3443998), (10916, 1879118), (11912, 1721999), (21832, 939559)]