20152528

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1709}}^1$

素因数の和:1795

約数の個数: 40

約数和(自身を含む): 43256160

約数和(自身を除く): 23103632

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 67, 88, 134, 176, 268, 536, 737, 1072, 1474, 1709, 2948, 3418, 5896, 6836, 11792, 13672, 18799, 27344, 37598, 75196, 114503, 150392, 229006, 300784, 458012, 916024, 1259533, 1832048, 2519066, 5038132, 10076264, 20152528]

約数ペア:

[(1, 20152528), (2, 10076264), (4, 5038132), (8, 2519066), (11, 1832048), (16, 1259533), (22, 916024), (44, 458012), (67, 300784), (88, 229006), (134, 150392), (176, 114503), (268, 75196), (536, 37598), (737, 27344), (1072, 18799), (1474, 13672), (1709, 11792), (2948, 6836), (3418, 5896)]