2020400030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{116989}}^1$

素因数の和:117164

約数の個数: 32

約数和(自身を含む): 3992634720

約数和(自身を除く): 1972234690

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 157, 314, 785, 1570, 1727, 3454, 8635, 17270, 116989, 233978, 584945, 1169890, 1286879, 2573758, 6434395, 12868790, 18367273, 36734546, 91836365, 183672730, 202040003, 404080006, 1010200015, 2020400030]

約数ペア:

[(1, 2020400030), (2, 1010200015), (5, 404080006), (10, 202040003), (11, 183672730), (22, 91836365), (55, 36734546), (110, 18367273), (157, 12868790), (314, 6434395), (785, 2573758), (1570, 1286879), (1727, 1169890), (3454, 584945), (8635, 233978), (17270, 116989)]