20070743

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1619}}^1$

素因数の和:1667

約数の個数: 24

約数和(自身を含む): 26593920

約数和(自身を除く): 6523177

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 1127, 1619, 1771, 11333, 12397, 17809, 37237, 79331, 124663, 260659, 409607, 872641, 1824613, 2867249, 20070743]

約数ペア:

[(1, 20070743), (7, 2867249), (11, 1824613), (23, 872641), (49, 409607), (77, 260659), (161, 124663), (253, 79331), (539, 37237), (1127, 17809), (1619, 12397), (1771, 11333)]