20160920168

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{359}}^1\times {\mathrm{115079}}^1$

素因数の和:115505

約数の個数: 32

約数和(自身を含む): 38528784000

約数和(自身を除く): 18367863832

約数列:

[1, 2, 4, 8, 61, 122, 244, 359, 488, 718, 1436, 2872, 21899, 43798, 87596, 115079, 175192, 230158, 460316, 920632, 7019819, 14039638, 28079276, 41313361, 56158552, 82626722, 165253444, 330506888, 2520115021, 5040230042, 10080460084, 20160920168]

約数ペア:

[(1, 20160920168), (2, 10080460084), (4, 5040230042), (8, 2520115021), (61, 330506888), (122, 165253444), (244, 82626722), (359, 56158552), (488, 41313361), (718, 28079276), (1436, 14039638), (2872, 7019819), (21899, 920632), (43798, 460316), (87596, 230158), (115079, 175192)]