20715195

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 13499205

約数列:

[1, 3, 5, 15, 59, 89, 177, 263, 267, 295, 445, 789, 885, 1315, 1335, 3945, 5251, 15517, 15753, 23407, 26255, 46551, 70221, 77585, 78765, 117035, 232755, 351105, 1381013, 4143039, 6905065, 20715195]

約数ペア:

[(1, 20715195), (3, 6905065), (5, 4143039), (15, 1381013), (59, 351105), (89, 232755), (177, 117035), (263, 78765), (267, 77585), (295, 70221), (445, 46551), (789, 26255), (885, 23407), (1315, 15753), (1335, 15517), (3945, 5251)]