20418781645

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{24767}}^1$

素因数の和:24969

約数の個数: 32

約数和(自身を含む): 26193051648

約数和(自身を除く): 5774270003

約数列:

[1, 5, 23, 67, 107, 115, 335, 535, 1541, 2461, 7169, 7705, 12305, 24767, 35845, 123835, 164887, 569641, 824435, 1659389, 2650069, 2848205, 8296945, 13250345, 38165947, 60951587, 177554623, 190829735, 304757935, 887773115, 4083756329, 20418781645]

約数ペア:

[(1, 20418781645), (5, 4083756329), (23, 887773115), (67, 304757935), (107, 190829735), (115, 177554623), (335, 60951587), (535, 38165947), (1541, 13250345), (2461, 8296945), (7169, 2848205), (7705, 2650069), (12305, 1659389), (24767, 824435), (35845, 569641), (123835, 164887)]