20432520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{18919}}^1$

素因数の和:18939

約数の個数: 64

約数和(自身を含む): 68112000

約数和(自身を除く): 47679480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 18919, 37838, 56757, 75676, 94595, 113514, 151352, 170271, 189190, 227028, 283785, 340542, 378380, 454056, 510813, 567570, 681084, 756760, 851355, 1021626, 1135140, 1362168, 1702710, 2043252, 2270280, 2554065, 3405420, 4086504, 5108130, 6810840, 10216260, 20432520]

約数ペア:

[(1, 20432520), (2, 10216260), (3, 6810840), (4, 5108130), (5, 4086504), (6, 3405420), (8, 2554065), (9, 2270280), (10, 2043252), (12, 1702710), (15, 1362168), (18, 1135140), (20, 1021626), (24, 851355), (27, 756760), (30, 681084), (36, 567570), (40, 510813), (45, 454056), (54, 378380), (60, 340542), (72, 283785), (90, 227028), (108, 189190), (120, 170271), (135, 151352), (180, 113514), (216, 94595), (270, 75676), (360, 56757), (540, 37838), (1080, 18919)]