20967868

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{16229}}^1$

素因数の和:16269

約数の個数: 24

約数和(自身を含む): 40899600

約数和(自身を除く): 19931732

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 16229, 32458, 64916, 275893, 308351, 551786, 616702, 1103572, 1233404, 5241967, 10483934, 20967868]

約数ペア:

[(1, 20967868), (2, 10483934), (4, 5241967), (17, 1233404), (19, 1103572), (34, 616702), (38, 551786), (68, 308351), (76, 275893), (323, 64916), (646, 32458), (1292, 16229)]