20403390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{97159}}^1$

素因数の和:97176

約数の個数: 32

約数和(自身を含む): 55964160

約数和(自身を除く): 35560770

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 97159, 194318, 291477, 485795, 582954, 680113, 971590, 1360226, 1457385, 2040339, 2914770, 3400565, 4080678, 6801130, 10201695, 20403390]

約数ペア:

[(1, 20403390), (2, 10201695), (3, 6801130), (5, 4080678), (6, 3400565), (7, 2914770), (10, 2040339), (14, 1457385), (15, 1360226), (21, 971590), (30, 680113), (35, 582954), (42, 485795), (70, 291477), (105, 194318), (210, 97159)]