20171350

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1249}}^1$

素因数の和:1297

約数の個数: 48

約数和(自身を含む): 41850000

約数和(自身を除く): 21678650

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 170, 190, 323, 425, 475, 646, 850, 950, 1249, 1615, 2498, 3230, 6245, 8075, 12490, 16150, 21233, 23731, 31225, 42466, 47462, 62450, 106165, 118655, 212330, 237310, 403427, 530825, 593275, 806854, 1061650, 1186550, 2017135, 4034270, 10085675, 20171350]

約数ペア:

[(1, 20171350), (2, 10085675), (5, 4034270), (10, 2017135), (17, 1186550), (19, 1061650), (25, 806854), (34, 593275), (38, 530825), (50, 403427), (85, 237310), (95, 212330), (170, 118655), (190, 106165), (323, 62450), (425, 47462), (475, 42466), (646, 31225), (850, 23731), (950, 21233), (1249, 16150), (1615, 12490), (2498, 8075), (3230, 6245)]