20217208736

素因数分解:

$2^5\times {\mathrm{373}}^1\times {\mathrm{709}}^1\times {\mathrm{2389}}^1$

素因数の和:3481

約数の個数: 48

約数和(自身を含む): 39982357800

約数和(自身を除く): 19765149064

約数列:

[1, 2, 4, 8, 16, 32, 373, 709, 746, 1418, 1492, 2389, 2836, 2984, 4778, 5672, 5968, 9556, 11344, 11936, 19112, 22688, 38224, 76448, 264457, 528914, 891097, 1057828, 1693801, 1782194, 2115656, 3387602, 3564388, 4231312, 6775204, 7128776, 8462624, 13550408, 14257552, 27100816, 28515104, 54201632, 631787773, 1263575546, 2527151092, 5054302184, 10108604368, 20217208736]

約数ペア:

[(1, 20217208736), (2, 10108604368), (4, 5054302184), (8, 2527151092), (16, 1263575546), (32, 631787773), (373, 54201632), (709, 28515104), (746, 27100816), (1418, 14257552), (1492, 13550408), (2389, 8462624), (2836, 7128776), (2984, 6775204), (4778, 4231312), (5672, 3564388), (5968, 3387602), (9556, 2115656), (11344, 1782194), (11936, 1693801), (19112, 1057828), (22688, 891097), (38224, 528914), (76448, 264457)]