20012133092

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{186757}}^1$

素因数の和:186900

約数の個数: 48

約数和(自身を含む): 41415454080

約数和(自身を除く): 21403320988

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 89, 172, 178, 301, 356, 602, 623, 1204, 1246, 2492, 3827, 7654, 15308, 26789, 53578, 107156, 186757, 373514, 747028, 1307299, 2614598, 5229196, 8030551, 16061102, 16621373, 32122204, 33242746, 56213857, 66485492, 112427714, 116349611, 224855428, 232699222, 465398444, 714719039, 1429438078, 2858876156, 5003033273, 10006066546, 20012133092]

約数ペア:

[(1, 20012133092), (2, 10006066546), (4, 5003033273), (7, 2858876156), (14, 1429438078), (28, 714719039), (43, 465398444), (86, 232699222), (89, 224855428), (172, 116349611), (178, 112427714), (301, 66485492), (356, 56213857), (602, 33242746), (623, 32122204), (1204, 16621373), (1246, 16061102), (2492, 8030551), (3827, 5229196), (7654, 2614598), (15308, 1307299), (26789, 747028), (53578, 373514), (107156, 186757)]