20395466

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{2287}}^1$

素因数の和:2323

約数の個数: 32

約数和(自身を含む): 38438400

約数和(自身を除く): 18042934

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 343, 637, 686, 1274, 2287, 4459, 4574, 8918, 16009, 29731, 32018, 59462, 112063, 208117, 224126, 416234, 784441, 1456819, 1568882, 2913638, 10197733, 20395466]

約数ペア:

[(1, 20395466), (2, 10197733), (7, 2913638), (13, 1568882), (14, 1456819), (26, 784441), (49, 416234), (91, 224126), (98, 208117), (182, 112063), (343, 59462), (637, 32018), (686, 29731), (1274, 16009), (2287, 8918), (4459, 4574)]