20291139

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2113}}^1$

素因数の和:2227

約数の個数: 24

約数和(自身を含む): 32318832

約数和(自身を除く): 12027693

約数列:

[1, 3, 9, 11, 33, 97, 99, 291, 873, 1067, 2113, 3201, 6339, 9603, 19017, 23243, 69729, 204961, 209187, 614883, 1844649, 2254571, 6763713, 20291139]

約数ペア:

[(1, 20291139), (3, 6763713), (9, 2254571), (11, 1844649), (33, 614883), (97, 209187), (99, 204961), (291, 69729), (873, 23243), (1067, 19017), (2113, 9603), (3201, 6339)]