20906550

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{6637}}^1$

素因数の和:6662

約数の個数: 72

約数和(自身を含む): 64202736

約数和(自身を除く): 43296186

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 6637, 13274, 19911, 33185, 39822, 46459, 59733, 66370, 92918, 99555, 119466, 139377, 165925, 199110, 232295, 278754, 298665, 331850, 418131, 464590, 497775, 597330, 696885, 836262, 995550, 1161475, 1393770, 1493325, 2090655, 2322950, 2986650, 3484425, 4181310, 6968850, 10453275, 20906550]

約数ペア:

[(1, 20906550), (2, 10453275), (3, 6968850), (5, 4181310), (6, 3484425), (7, 2986650), (9, 2322950), (10, 2090655), (14, 1493325), (15, 1393770), (18, 1161475), (21, 995550), (25, 836262), (30, 696885), (35, 597330), (42, 497775), (45, 464590), (50, 418131), (63, 331850), (70, 298665), (75, 278754), (90, 232295), (105, 199110), (126, 165925), (150, 139377), (175, 119466), (210, 99555), (225, 92918), (315, 66370), (350, 59733), (450, 46459), (525, 39822), (630, 33185), (1050, 19911), (1575, 13274), (3150, 6637)]