20720766

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{28541}}^1$

素因数の和:28568

約数の個数: 24

約数和(自身を含む): 45553032

約数和(自身を除く): 24832266

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 121, 242, 363, 726, 28541, 57082, 85623, 171246, 313951, 627902, 941853, 1883706, 3453461, 6906922, 10360383, 20720766]

約数ペア:

[(1, 20720766), (2, 10360383), (3, 6906922), (6, 3453461), (11, 1883706), (22, 941853), (33, 627902), (66, 313951), (121, 171246), (242, 85623), (363, 57082), (726, 28541)]