20308500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{4513}}^1$

素因数の和:4538

約数の個数: 72

約数和(自身を含む): 64080744

約数和(自身を除く): 43772244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 4513, 9026, 13539, 18052, 22565, 27078, 40617, 45130, 54156, 67695, 81234, 90260, 112825, 135390, 162468, 203085, 225650, 270780, 338475, 406170, 451300, 564125, 676950, 812340, 1015425, 1128250, 1353900, 1692375, 2030850, 2256500, 3384750, 4061700, 5077125, 6769500, 10154250, 20308500]

約数ペア:

[(1, 20308500), (2, 10154250), (3, 6769500), (4, 5077125), (5, 4061700), (6, 3384750), (9, 2256500), (10, 2030850), (12, 1692375), (15, 1353900), (18, 1128250), (20, 1015425), (25, 812340), (30, 676950), (36, 564125), (45, 451300), (50, 406170), (60, 338475), (75, 270780), (90, 225650), (100, 203085), (125, 162468), (150, 135390), (180, 112825), (225, 90260), (250, 81234), (300, 67695), (375, 54156), (450, 45130), (500, 40617), (750, 27078), (900, 22565), (1125, 18052), (1500, 13539), (2250, 9026), (4500, 4513)]