20572620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1723}}^1$

素因数の和:1934

約数の個数: 48

約数和(自身を含む): 57926400

約数和(自身を除く): 37353780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 796, 995, 1194, 1723, 1990, 2388, 2985, 3446, 3980, 5169, 5970, 6892, 8615, 10338, 11940, 17230, 20676, 25845, 34460, 51690, 103380, 342877, 685754, 1028631, 1371508, 1714385, 2057262, 3428770, 4114524, 5143155, 6857540, 10286310, 20572620]

約数ペア:

[(1, 20572620), (2, 10286310), (3, 6857540), (4, 5143155), (5, 4114524), (6, 3428770), (10, 2057262), (12, 1714385), (15, 1371508), (20, 1028631), (30, 685754), (60, 342877), (199, 103380), (398, 51690), (597, 34460), (796, 25845), (995, 20676), (1194, 17230), (1723, 11940), (1990, 10338), (2388, 8615), (2985, 6892), (3446, 5970), (3980, 5169)]