19920320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{8893}}^1$

素因数の和:8917

約数の個数: 56

約数和(自身を含む): 54217824

約数和(自身を除く): 34297504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 8893, 17786, 35572, 44465, 62251, 71144, 88930, 124502, 142288, 177860, 249004, 284576, 311255, 355720, 498008, 569152, 622510, 711440, 996016, 1245020, 1422880, 1992032, 2490040, 2845760, 3984064, 4980080, 9960160, 19920320]

約数ペア:

[(1, 19920320), (2, 9960160), (4, 4980080), (5, 3984064), (7, 2845760), (8, 2490040), (10, 1992032), (14, 1422880), (16, 1245020), (20, 996016), (28, 711440), (32, 622510), (35, 569152), (40, 498008), (56, 355720), (64, 311255), (70, 284576), (80, 249004), (112, 177860), (140, 142288), (160, 124502), (224, 88930), (280, 71144), (320, 62251), (448, 44465), (560, 35572), (1120, 17786), (2240, 8893)]