20512095373

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{89303}}^1$

素因数の和:89497

約数の個数: 32

約数和(自身を含む): 27091261440

約数和(自身を除く): 6579166067

約数列:

[1, 7, 11, 19, 77, 133, 157, 209, 1099, 1463, 1727, 2983, 12089, 20881, 32813, 89303, 229691, 625121, 982333, 1696757, 6876331, 11877299, 14020571, 18664327, 98143997, 130650289, 154226281, 266390849, 1079583967, 1864735943, 2930299339, 20512095373]

約数ペア:

[(1, 20512095373), (7, 2930299339), (11, 1864735943), (19, 1079583967), (77, 266390849), (133, 154226281), (157, 130650289), (209, 98143997), (1099, 18664327), (1463, 14020571), (1727, 11877299), (2983, 6876331), (12089, 1696757), (20881, 982333), (32813, 625121), (89303, 229691)]