20806788104

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1719001}}^1$

素因数の和:1719113

約数の個数: 32

約数和(自身を含む): 41771748600

約数和(自身を除く): 20964960496

約数列:

[1, 2, 4, 8, 17, 34, 68, 89, 136, 178, 356, 712, 1513, 3026, 6052, 12104, 1719001, 3438002, 6876004, 13752008, 29223017, 58446034, 116892068, 152991089, 233784136, 305982178, 611964356, 1223928712, 2600848513, 5201697026, 10403394052, 20806788104]

約数ペア:

[(1, 20806788104), (2, 10403394052), (4, 5201697026), (8, 2600848513), (17, 1223928712), (34, 611964356), (68, 305982178), (89, 233784136), (136, 152991089), (178, 116892068), (356, 58446034), (712, 29223017), (1513, 13752008), (3026, 6876004), (6052, 3438002), (12104, 1719001)]