20197500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{2693}}^1$

素因数の和:2720

約数の個数: 60

約数和(自身を含む): 58912392

約数和(自身を除く): 38714892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 625, 750, 1250, 1500, 1875, 2500, 2693, 3750, 5386, 7500, 8079, 10772, 13465, 16158, 26930, 32316, 40395, 53860, 67325, 80790, 134650, 161580, 201975, 269300, 336625, 403950, 673250, 807900, 1009875, 1346500, 1683125, 2019750, 3366250, 4039500, 5049375, 6732500, 10098750, 20197500]

約数ペア:

[(1, 20197500), (2, 10098750), (3, 6732500), (4, 5049375), (5, 4039500), (6, 3366250), (10, 2019750), (12, 1683125), (15, 1346500), (20, 1009875), (25, 807900), (30, 673250), (50, 403950), (60, 336625), (75, 269300), (100, 201975), (125, 161580), (150, 134650), (250, 80790), (300, 67325), (375, 53860), (500, 40395), (625, 32316), (750, 26930), (1250, 16158), (1500, 13465), (1875, 10772), (2500, 8079), (2693, 7500), (3750, 5386)]