20139228

素因数分解:

$2^2\times 3^2\times {\mathrm{739}}^1\times {\mathrm{757}}^1$

素因数の和:1506

約数の個数: 36

約数和(自身を含む): 51043720

約数和(自身を除く): 30904492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 739, 757, 1478, 1514, 2217, 2271, 2956, 3028, 4434, 4542, 6651, 6813, 8868, 9084, 13302, 13626, 26604, 27252, 559423, 1118846, 1678269, 2237692, 3356538, 5034807, 6713076, 10069614, 20139228]

約数ペア:

[(1, 20139228), (2, 10069614), (3, 6713076), (4, 5034807), (6, 3356538), (9, 2237692), (12, 1678269), (18, 1118846), (36, 559423), (739, 27252), (757, 26604), (1478, 13626), (1514, 13302), (2217, 9084), (2271, 8868), (2956, 6813), (3028, 6651), (4434, 4542)]