20139959210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{350443}}^1$

素因数の和:351278

約数の個数: 32

約数和(自身を含む): 41481355392

約数和(自身を除く): 21341396182

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 821, 1642, 4105, 5747, 8210, 11494, 28735, 57470, 350443, 700886, 1752215, 2453101, 3504430, 4906202, 12265505, 24531010, 287713703, 575427406, 1438568515, 2013995921, 2877137030, 4027991842, 10069979605, 20139959210]

約数ペア:

[(1, 20139959210), (2, 10069979605), (5, 4027991842), (7, 2877137030), (10, 2013995921), (14, 1438568515), (35, 575427406), (70, 287713703), (821, 24531010), (1642, 12265505), (4105, 4906202), (5747, 3504430), (8210, 2453101), (11494, 1752215), (28735, 700886), (57470, 350443)]