20199931900

素因数分解:

$2^2\times 5^2\times {\mathrm{9833}}^1\times {\mathrm{20543}}^1$

素因数の和:30390

約数の個数: 36

約数和(自身を含む): 43840444032

約数和(自身を除く): 23640512132

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 9833, 19666, 20543, 39332, 41086, 49165, 82172, 98330, 102715, 196660, 205430, 245825, 410860, 491650, 513575, 983300, 1027150, 2054300, 201999319, 403998638, 807997276, 1009996595, 2019993190, 4039986380, 5049982975, 10099965950, 20199931900]

約数ペア:

[(1, 20199931900), (2, 10099965950), (4, 5049982975), (5, 4039986380), (10, 2019993190), (20, 1009996595), (25, 807997276), (50, 403998638), (100, 201999319), (9833, 2054300), (19666, 1027150), (20543, 983300), (39332, 513575), (41086, 491650), (49165, 410860), (82172, 245825), (98330, 205430), (102715, 196660)]