20794612760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16769849}}^1$

素因数の和:16769891

約数の個数: 32

約数和(自身を含む): 48297168000

約数和(自身を除く): 27502555240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 16769849, 33539698, 67079396, 83849245, 134158792, 167698490, 335396980, 519865319, 670793960, 1039730638, 2079461276, 2599326595, 4158922552, 5198653190, 10397306380, 20794612760]

約数ペア:

[(1, 20794612760), (2, 10397306380), (4, 5198653190), (5, 4158922552), (8, 2599326595), (10, 2079461276), (20, 1039730638), (31, 670793960), (40, 519865319), (62, 335396980), (124, 167698490), (155, 134158792), (248, 83849245), (310, 67079396), (620, 33539698), (1240, 16769849)]