207920920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{226001}}^1$

素因数の和:226035

約数の個数: 32

約数和(自身を含む): 488164320

約数和(自身を除く): 280243400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 226001, 452002, 904004, 1130005, 1808008, 2260010, 4520020, 5198023, 9040040, 10396046, 20792092, 25990115, 41584184, 51980230, 103960460, 207920920]

約数ペア:

[(1, 207920920), (2, 103960460), (4, 51980230), (5, 41584184), (8, 25990115), (10, 20792092), (20, 10396046), (23, 9040040), (40, 5198023), (46, 4520020), (92, 2260010), (115, 1808008), (184, 1130005), (230, 904004), (460, 452002), (920, 226001)]