20579475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{39199}}^1$

素因数の和:39219

約数の個数: 24

約数和(自身を含む): 38886400

約数和(自身を除く): 18306925

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 39199, 117597, 195995, 274393, 587985, 823179, 979975, 1371965, 2939925, 4115895, 6859825, 20579475]

約数ペア:

[(1, 20579475), (3, 6859825), (5, 4115895), (7, 2939925), (15, 1371965), (21, 979975), (25, 823179), (35, 587985), (75, 274393), (105, 195995), (175, 117597), (525, 39199)]