20669610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52999}}^1$

素因数の和:53022

約数の個数: 32

約数和(自身を含む): 53424000

約数和(自身を除く): 32754390

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 52999, 105998, 158997, 264995, 317994, 529990, 688987, 794985, 1377974, 1589970, 2066961, 3444935, 4133922, 6889870, 10334805, 20669610]

約数ペア:

[(1, 20669610), (2, 10334805), (3, 6889870), (5, 4133922), (6, 3444935), (10, 2066961), (13, 1589970), (15, 1377974), (26, 794985), (30, 688987), (39, 529990), (65, 317994), (78, 264995), (130, 158997), (195, 105998), (390, 52999)]