20469860

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{8059}}^1$

素因数の和:8195

約数の個数: 24

約数和(自身を含む): 43330560

約数和(自身を除く): 22860700

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 8059, 16118, 32236, 40295, 80590, 161180, 1023493, 2046986, 4093972, 5117465, 10234930, 20469860]

約数ペア:

[(1, 20469860), (2, 10234930), (4, 5117465), (5, 4093972), (10, 2046986), (20, 1023493), (127, 161180), (254, 80590), (508, 40295), (635, 32236), (1270, 16118), (2540, 8059)]