20493633025

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{2836489}}^1$

素因数の和:2836533

約数の個数: 18

約数和(自身を含む): 26994875330

約数和(自身を除く): 6501242305

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 7225, 2836489, 14182445, 48220313, 70912225, 241101565, 819745321, 1205507825, 4098726605, 20493633025]

約数ペア:

[(1, 20493633025), (5, 4098726605), (17, 1205507825), (25, 819745321), (85, 241101565), (289, 70912225), (425, 48220313), (1445, 14182445), (7225, 2836489)]