20123258330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{510613}}^1$

素因数の和:511190

約数の個数: 32

約数和(自身を含む): 41470026624

約数和(自身を除く): 21346768294

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 563, 1126, 2815, 3941, 5630, 7882, 19705, 39410, 510613, 1021226, 2553065, 3574291, 5106130, 7148582, 17871455, 35742910, 287475119, 574950238, 1437375595, 2012325833, 2874751190, 4024651666, 10061629165, 20123258330]

約数ペア:

[(1, 20123258330), (2, 10061629165), (5, 4024651666), (7, 2874751190), (10, 2012325833), (14, 1437375595), (35, 574950238), (70, 287475119), (563, 35742910), (1126, 17871455), (2815, 7148582), (3941, 5106130), (5630, 3574291), (7882, 2553065), (19705, 1021226), (39410, 510613)]