20459640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{170497}}^1$

素因数の和:170511

約数の個数: 32

約数和(自身を含む): 61379280

約数和(自身を除く): 40919640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 170497, 340994, 511491, 681988, 852485, 1022982, 1363976, 1704970, 2045964, 2557455, 3409940, 4091928, 5114910, 6819880, 10229820, 20459640]

約数ペア:

[(1, 20459640), (2, 10229820), (3, 6819880), (4, 5114910), (5, 4091928), (6, 3409940), (8, 2557455), (10, 2045964), (12, 1704970), (15, 1363976), (20, 1022982), (24, 852485), (30, 681988), (40, 511491), (60, 340994), (120, 170497)]