20872218

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{631}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 43228800

約数和(自身を除く): 22356582

約数列:

[1, 2, 3, 6, 37, 74, 111, 149, 222, 298, 447, 631, 894, 1262, 1893, 3786, 5513, 11026, 16539, 23347, 33078, 46694, 70041, 94019, 140082, 188038, 282057, 564114, 3478703, 6957406, 10436109, 20872218]

約数ペア:

[(1, 20872218), (2, 10436109), (3, 6957406), (6, 3478703), (37, 564114), (74, 282057), (111, 188038), (149, 140082), (222, 94019), (298, 70041), (447, 46694), (631, 33078), (894, 23347), (1262, 16539), (1893, 11026), (3786, 5513)]