20029500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{4451}}^1$

素因数の和:4476

約数の個数: 72

約数和(自身を含む): 63200592

約数和(自身を除く): 43171092

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, 4451, 4500, 8902, 13353, 17804, 22255, 26706, 40059, 44510, 53412, 66765, 80118, 89020, 111275, 133530, 160236, 200295, 222550, 267060, 333825, 400590, 445100, 556375, 667650, 801180, 1001475, 1112750, 1335300, 1669125, 2002950, 2225500, 3338250, 4005900, 5007375, 6676500, 10014750, 20029500]

約数ペア:

[(1, 20029500), (2, 10014750), (3, 6676500), (4, 5007375), (5, 4005900), (6, 3338250), (9, 2225500), (10, 2002950), (12, 1669125), (15, 1335300), (18, 1112750), (20, 1001475), (25, 801180), (30, 667650), (36, 556375), (45, 445100), (50, 400590), (60, 333825), (75, 267060), (90, 222550), (100, 200295), (125, 160236), (150, 133530), (180, 111275), (225, 89020), (250, 80118), (300, 66765), (375, 53412), (450, 44510), (500, 40059), (750, 26706), (900, 22255), (1125, 17804), (1500, 13353), (2250, 8902), (4451, 4500)]