20137649987

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{36523}}^1$

素因数の和:36699

約数の個数: 32

約数和(自身を含む): 25427716608

約数和(自身を除く): 5290066621

約数列:

[1, 7, 13, 73, 83, 91, 511, 581, 949, 1079, 6059, 6643, 7553, 36523, 42413, 78767, 255661, 474799, 551369, 2666179, 3031409, 3323593, 18663253, 21219863, 34660327, 39408317, 221292857, 242622289, 275858219, 1549049999, 2876807141, 20137649987]

約数ペア:

[(1, 20137649987), (7, 2876807141), (13, 1549049999), (73, 275858219), (83, 242622289), (91, 221292857), (511, 39408317), (581, 34660327), (949, 21219863), (1079, 18663253), (6059, 3323593), (6643, 3031409), (7553, 2666179), (36523, 551369), (42413, 474799), (78767, 255661)]