20192750

素因数分解:

$2^1\times 5^3\times {\mathrm{37}}^2\times {\mathrm{59}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 39508560

約数和(自身を除く): 19315810

約数列:

[1, 2, 5, 10, 25, 37, 50, 59, 74, 118, 125, 185, 250, 295, 370, 590, 925, 1369, 1475, 1850, 2183, 2738, 2950, 4366, 4625, 6845, 7375, 9250, 10915, 13690, 14750, 21830, 34225, 54575, 68450, 80771, 109150, 161542, 171125, 272875, 342250, 403855, 545750, 807710, 2019275, 4038550, 10096375, 20192750]

約数ペア:

[(1, 20192750), (2, 10096375), (5, 4038550), (10, 2019275), (25, 807710), (37, 545750), (50, 403855), (59, 342250), (74, 272875), (118, 171125), (125, 161542), (185, 109150), (250, 80771), (295, 68450), (370, 54575), (590, 34225), (925, 21830), (1369, 14750), (1475, 13690), (1850, 10915), (2183, 9250), (2738, 7375), (2950, 6845), (4366, 4625)]