20565286791

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1\times {\mathrm{29473}}^1$

素因数の和:29855

約数の個数: 32

約数和(自身を含む): 31690444800

約数和(自身を除く): 11125158009

約数列:

[1, 3, 7, 21, 149, 223, 447, 669, 1043, 1561, 3129, 4683, 29473, 33227, 88419, 99681, 206311, 232589, 618933, 697767, 4391477, 6572479, 13174431, 19717437, 30740339, 46007353, 92221017, 138022059, 979299371, 2937898113, 6855095597, 20565286791]

約数ペア:

[(1, 20565286791), (3, 6855095597), (7, 2937898113), (21, 979299371), (149, 138022059), (223, 92221017), (447, 46007353), (669, 30740339), (1043, 19717437), (1561, 13174431), (3129, 6572479), (4683, 4391477), (29473, 697767), (33227, 618933), (88419, 232589), (99681, 206311)]