20165950

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{8231}}^1$

素因数の和:8257

約数の個数: 36

約数和(自身を含む): 43637832

約数和(自身を除く): 23471882

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 350, 490, 1225, 2450, 8231, 16462, 41155, 57617, 82310, 115234, 205775, 288085, 403319, 411550, 576170, 806638, 1440425, 2016595, 2880850, 4033190, 10082975, 20165950]

約数ペア:

[(1, 20165950), (2, 10082975), (5, 4033190), (7, 2880850), (10, 2016595), (14, 1440425), (25, 806638), (35, 576170), (49, 411550), (50, 403319), (70, 288085), (98, 205775), (175, 115234), (245, 82310), (350, 57617), (490, 41155), (1225, 16462), (2450, 8231)]