2187440020

素因数分解:

$2^2\times 5^1\times {\mathrm{9007}}^1\times {\mathrm{12143}}^1$

素因数の和:21159

約数の個数: 24

約数和(自身を含む): 4594512384

約数和(自身を除く): 2407072364

約数列:

[1, 2, 4, 5, 10, 20, 9007, 12143, 18014, 24286, 36028, 45035, 48572, 60715, 90070, 121430, 180140, 242860, 109372001, 218744002, 437488004, 546860005, 1093720010, 2187440020]

約数ペア:

[(1, 2187440020), (2, 1093720010), (4, 546860005), (5, 437488004), (10, 218744002), (20, 109372001), (9007, 242860), (12143, 180140), (18014, 121430), (24286, 90070), (36028, 60715), (45035, 48572)]