20152312

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{673}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 40035600

約数和(自身を除く): 19883288

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 197, 394, 673, 788, 1346, 1576, 2692, 3743, 5384, 7486, 12787, 14972, 25574, 29944, 51148, 102296, 132581, 265162, 530324, 1060648, 2519039, 5038078, 10076156, 20152312]

約数ペア:

[(1, 20152312), (2, 10076156), (4, 5038078), (8, 2519039), (19, 1060648), (38, 530324), (76, 265162), (152, 132581), (197, 102296), (394, 51148), (673, 29944), (788, 25574), (1346, 14972), (1576, 12787), (2692, 7486), (3743, 5384)]