20803350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{331}}^1\times {\mathrm{419}}^1$

素因数の和:765

約数の個数: 48

約数和(自身を含む): 51871680

約数和(自身を除く): 31068330

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 331, 419, 662, 838, 993, 1257, 1655, 1986, 2095, 2514, 3310, 4190, 4965, 6285, 8275, 9930, 10475, 12570, 16550, 20950, 24825, 31425, 49650, 62850, 138689, 277378, 416067, 693445, 832134, 1386890, 2080335, 3467225, 4160670, 6934450, 10401675, 20803350]

約数ペア:

[(1, 20803350), (2, 10401675), (3, 6934450), (5, 4160670), (6, 3467225), (10, 2080335), (15, 1386890), (25, 832134), (30, 693445), (50, 416067), (75, 277378), (150, 138689), (331, 62850), (419, 49650), (662, 31425), (838, 24825), (993, 20950), (1257, 16550), (1655, 12570), (1986, 10475), (2095, 9930), (2514, 8275), (3310, 6285), (4190, 4965)]