20740350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{37}}^2\times {\mathrm{101}}^1$

素因数の和:190

約数の個数: 72

約数和(自身を含む): 53387208

約数和(自身を除く): 32646858

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 37, 50, 74, 75, 101, 111, 150, 185, 202, 222, 303, 370, 505, 555, 606, 925, 1010, 1110, 1369, 1515, 1850, 2525, 2738, 2775, 3030, 3737, 4107, 5050, 5550, 6845, 7474, 7575, 8214, 11211, 13690, 15150, 18685, 20535, 22422, 34225, 37370, 41070, 56055, 68450, 93425, 102675, 112110, 138269, 186850, 205350, 276538, 280275, 414807, 560550, 691345, 829614, 1382690, 2074035, 3456725, 4148070, 6913450, 10370175, 20740350]

約数ペア:

[(1, 20740350), (2, 10370175), (3, 6913450), (5, 4148070), (6, 3456725), (10, 2074035), (15, 1382690), (25, 829614), (30, 691345), (37, 560550), (50, 414807), (74, 280275), (75, 276538), (101, 205350), (111, 186850), (150, 138269), (185, 112110), (202, 102675), (222, 93425), (303, 68450), (370, 56055), (505, 41070), (555, 37370), (606, 34225), (925, 22422), (1010, 20535), (1110, 18685), (1369, 15150), (1515, 13690), (1850, 11211), (2525, 8214), (2738, 7575), (2775, 7474), (3030, 6845), (3737, 5550), (4107, 5050)]