20284910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{7019}}^1$

素因数の和:7060

約数の個数: 24

約数和(自身を含む): 38792520

約数和(自身を除く): 18507610

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 7019, 14038, 35095, 70190, 119323, 238646, 596615, 1193230, 2028491, 4056982, 10142455, 20284910]

約数ペア:

[(1, 20284910), (2, 10142455), (5, 4056982), (10, 2028491), (17, 1193230), (34, 596615), (85, 238646), (170, 119323), (289, 70190), (578, 35095), (1445, 14038), (2890, 7019)]