20563638

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{439}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 42535680

約数和(自身を除く): 21972042

約数列:

[1, 2, 3, 6, 37, 74, 111, 211, 222, 422, 439, 633, 878, 1266, 1317, 2634, 7807, 15614, 16243, 23421, 32486, 46842, 48729, 92629, 97458, 185258, 277887, 555774, 3427273, 6854546, 10281819, 20563638]

約数ペア:

[(1, 20563638), (2, 10281819), (3, 6854546), (6, 3427273), (37, 555774), (74, 277887), (111, 185258), (211, 97458), (222, 92629), (422, 48729), (439, 46842), (633, 32486), (878, 23421), (1266, 16243), (1317, 15614), (2634, 7807)]