20723472007

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{5591}}^1$

素因数の和:5708

約数の個数: 48

約数和(自身を含む): 26653708800

約数和(自身を除く): 5930236793

約数列:

[1, 7, 19, 29, 31, 133, 203, 217, 551, 589, 899, 961, 3857, 4123, 5591, 6293, 6727, 17081, 18259, 27869, 39137, 106229, 119567, 127813, 162139, 173321, 195083, 529511, 743603, 1134973, 1213247, 3080641, 3293099, 3706577, 5026309, 5372951, 21564487, 23051693, 35184163, 37610657, 95499871, 102086069, 155815579, 668499097, 714602483, 1090709053, 2960496001, 20723472007]

約数ペア:

[(1, 20723472007), (7, 2960496001), (19, 1090709053), (29, 714602483), (31, 668499097), (133, 155815579), (203, 102086069), (217, 95499871), (551, 37610657), (589, 35184163), (899, 23051693), (961, 21564487), (3857, 5372951), (4123, 5026309), (5591, 3706577), (6293, 3293099), (6727, 3080641), (17081, 1213247), (18259, 1134973), (27869, 743603), (39137, 529511), (106229, 195083), (119567, 173321), (127813, 162139)]