20218179915

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1559}}^1\times {\mathrm{7789}}^1$

素因数の和:9396

約数の個数: 48

約数和(自身を含む): 36019713600

約数和(自身を除く): 15801533685

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1559, 1665, 4677, 7789, 7795, 14031, 23367, 23385, 38945, 57683, 70101, 70155, 116835, 173049, 288193, 288415, 350505, 519147, 864579, 865245, 1440965, 2593737, 2595735, 4322895, 12143051, 12968685, 36429153, 60715255, 109287459, 182145765, 449292887, 546437295, 1347878661, 2246464435, 4043635983, 6739393305, 20218179915]

約数ペア:

[(1, 20218179915), (3, 6739393305), (5, 4043635983), (9, 2246464435), (15, 1347878661), (37, 546437295), (45, 449292887), (111, 182145765), (185, 109287459), (333, 60715255), (555, 36429153), (1559, 12968685), (1665, 12143051), (4677, 4322895), (7789, 2595735), (7795, 2593737), (14031, 1440965), (23367, 865245), (23385, 864579), (38945, 519147), (57683, 350505), (70101, 288415), (70155, 288193), (116835, 173049)]