201970200920

素因数分解:

$2^3\times 5^1\times {\mathrm{5851}}^1\times {\mathrm{862973}}^1$

素因数の和:868835

約数の個数: 32

約数和(自身を含む): 454511146320

約数和(自身を除く): 252540945400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5851, 11702, 23404, 29255, 46808, 58510, 117020, 234040, 862973, 1725946, 3451892, 4314865, 6903784, 8629730, 17259460, 34518920, 5049255023, 10098510046, 20197020092, 25246275115, 40394040184, 50492550230, 100985100460, 201970200920]

約数ペア:

[(1, 201970200920), (2, 100985100460), (4, 50492550230), (5, 40394040184), (8, 25246275115), (10, 20197020092), (20, 10098510046), (40, 5049255023), (5851, 34518920), (11702, 17259460), (23404, 8629730), (29255, 6903784), (46808, 4314865), (58510, 3451892), (117020, 1725946), (234040, 862973)]