20165055536

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{457}}^1\times {\mathrm{13999}}^1$

素因数の和:14661

約数の個数: 40

約数和(自身を含む): 39356856000

約数和(自身を除く): 19191800464

約数列:

[1, 2, 4, 8, 16, 197, 394, 457, 788, 914, 1576, 1828, 3152, 3656, 7312, 13999, 27998, 55996, 90029, 111992, 180058, 223984, 360116, 720232, 1440464, 2757803, 5515606, 6397543, 11031212, 12795086, 22062424, 25590172, 44124848, 51180344, 102360688, 1260315971, 2520631942, 5041263884, 10082527768, 20165055536]

約数ペア:

[(1, 20165055536), (2, 10082527768), (4, 5041263884), (8, 2520631942), (16, 1260315971), (197, 102360688), (394, 51180344), (457, 44124848), (788, 25590172), (914, 22062424), (1576, 12795086), (1828, 11031212), (3152, 6397543), (3656, 5515606), (7312, 2757803), (13999, 1440464), (27998, 720232), (55996, 360116), (90029, 223984), (111992, 180058)]