20628750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{5501}}^1$

素因数の和:5526

約数の個数: 40

約数和(自身を含む): 51564744

約数和(自身を除く): 30935994

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 625, 750, 1250, 1875, 3750, 5501, 11002, 16503, 27505, 33006, 55010, 82515, 137525, 165030, 275050, 412575, 687625, 825150, 1375250, 2062875, 3438125, 4125750, 6876250, 10314375, 20628750]

約数ペア:

[(1, 20628750), (2, 10314375), (3, 6876250), (5, 4125750), (6, 3438125), (10, 2062875), (15, 1375250), (25, 825150), (30, 687625), (50, 412575), (75, 275050), (125, 165030), (150, 137525), (250, 82515), (375, 55010), (625, 33006), (750, 27505), (1250, 16503), (1875, 11002), (3750, 5501)]