20187091576

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{6211}}^1\times {\mathrm{21383}}^1$

素因数の和:27619

約数の個数: 32

約数和(自身を含む): 39851222400

約数和(自身を除く): 19664130824

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 6211, 12422, 21383, 24844, 42766, 49688, 85532, 118009, 171064, 236018, 406277, 472036, 812554, 944072, 1625108, 3250216, 132809813, 265619626, 531239252, 1062478504, 2523386447, 5046772894, 10093545788, 20187091576]

約数ペア:

[(1, 20187091576), (2, 10093545788), (4, 5046772894), (8, 2523386447), (19, 1062478504), (38, 531239252), (76, 265619626), (152, 132809813), (6211, 3250216), (12422, 1625108), (21383, 944072), (24844, 812554), (42766, 472036), (49688, 406277), (85532, 236018), (118009, 171064)]