20079966459

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2477}}^1\times {\mathrm{5437}}^1$

素因数の和:7995

約数の個数: 32

約数和(自身を含む): 31047238656

約数和(自身を除く): 10967272197

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 2477, 5437, 7431, 16311, 17339, 38059, 52017, 114177, 175867, 386027, 527601, 1158081, 1231069, 2702189, 3693207, 8106567, 13467449, 40402347, 94272143, 282816429, 956188879, 2868566637, 6693322153, 20079966459]

約数ペア:

[(1, 20079966459), (3, 6693322153), (7, 2868566637), (21, 956188879), (71, 282816429), (213, 94272143), (497, 40402347), (1491, 13467449), (2477, 8106567), (5437, 3693207), (7431, 2702189), (16311, 1231069), (17339, 1158081), (38059, 527601), (52017, 386027), (114177, 175867)]