20676885

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{821}}^1$

素因数の和:925

約数の個数: 32

約数和(自身を含む): 35036928

約数和(自身を除く): 14360043

約数列:

[1, 3, 5, 15, 23, 69, 73, 115, 219, 345, 365, 821, 1095, 1679, 2463, 4105, 5037, 8395, 12315, 18883, 25185, 56649, 59933, 94415, 179799, 283245, 299665, 898995, 1378459, 4135377, 6892295, 20676885]

約数ペア:

[(1, 20676885), (3, 6892295), (5, 4135377), (15, 1378459), (23, 898995), (69, 299665), (73, 283245), (115, 179799), (219, 94415), (345, 59933), (365, 56649), (821, 25185), (1095, 18883), (1679, 12315), (2463, 8395), (4105, 5037)]