20081831620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{753257}}^1$

素因数の和:753340

約数の個数: 48

約数和(自身を含む): 44544665088

約数和(自身を除く): 24462833468

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 620, 860, 1333, 2666, 5332, 6665, 13330, 26660, 753257, 1506514, 3013028, 3766285, 7532570, 15065140, 23350967, 32390051, 46701934, 64780102, 93403868, 116754835, 129560204, 161950255, 233509670, 323900510, 467019340, 647801020, 1004091581, 2008183162, 4016366324, 5020457905, 10040915810, 20081831620]

約数ペア:

[(1, 20081831620), (2, 10040915810), (4, 5020457905), (5, 4016366324), (10, 2008183162), (20, 1004091581), (31, 647801020), (43, 467019340), (62, 323900510), (86, 233509670), (124, 161950255), (155, 129560204), (172, 116754835), (215, 93403868), (310, 64780102), (430, 46701934), (620, 32390051), (860, 23350967), (1333, 15065140), (2666, 7532570), (5332, 3766285), (6665, 3013028), (13330, 1506514), (26660, 753257)]