20168703928

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{307}}^1\times {\mathrm{200293}}^1$

素因数の和:200647

約数の個数: 32

約数和(自身を含む): 38865047760

約数和(自身を除く): 18696343832

約数列:

[1, 2, 4, 8, 41, 82, 164, 307, 328, 614, 1228, 2456, 12587, 25174, 50348, 100696, 200293, 400586, 801172, 1602344, 8212013, 16424026, 32848052, 61489951, 65696104, 122979902, 245959804, 491919608, 2521087991, 5042175982, 10084351964, 20168703928]

約数ペア:

[(1, 20168703928), (2, 10084351964), (4, 5042175982), (8, 2521087991), (41, 491919608), (82, 245959804), (164, 122979902), (307, 65696104), (328, 61489951), (614, 32848052), (1228, 16424026), (2456, 8212013), (12587, 1602344), (25174, 801172), (50348, 400586), (100696, 200293)]