20492080228

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{157}}^1\times {\mathrm{112909}}^1$

素因数の和:113104

約数の個数: 36

約数和(自身を含む): 38337687220

約数和(自身を除く): 17845606992

約数列:

[1, 2, 4, 17, 34, 68, 157, 289, 314, 578, 628, 1156, 2669, 5338, 10676, 45373, 90746, 112909, 181492, 225818, 451636, 1919453, 3838906, 7677812, 17726713, 32630701, 35453426, 65261402, 70906852, 130522804, 301354121, 602708242, 1205416484, 5123020057, 10246040114, 20492080228]

約数ペア:

[(1, 20492080228), (2, 10246040114), (4, 5123020057), (17, 1205416484), (34, 602708242), (68, 301354121), (157, 130522804), (289, 70906852), (314, 65261402), (578, 35453426), (628, 32630701), (1156, 17726713), (2669, 7677812), (5338, 3838906), (10676, 1919453), (45373, 451636), (90746, 225818), (112909, 181492)]