20908104915

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1151}}^1\times {\mathrm{41759}}^1$

素因数の和:42947

約数の個数: 32

約数和(自身を含む): 34637414400

約数和(自身を除く): 13729309485

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 1151, 3453, 5755, 17265, 33379, 41759, 100137, 125277, 166895, 208795, 500685, 626385, 1211011, 3633033, 6055055, 18165165, 48064609, 144193827, 240323045, 720969135, 1393873661, 4181620983, 6969368305, 20908104915]

約数ペア:

[(1, 20908104915), (3, 6969368305), (5, 4181620983), (15, 1393873661), (29, 720969135), (87, 240323045), (145, 144193827), (435, 48064609), (1151, 18165165), (3453, 6055055), (5755, 3633033), (17265, 1211011), (33379, 626385), (41759, 500685), (100137, 208795), (125277, 166895)]