20552427

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2939}}^1$

素因数の和:2992

約数の個数: 32

約数和(自身を含む): 35750400

約数和(自身を除く): 15197973

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 2939, 6993, 8817, 20573, 26451, 61719, 79353, 108743, 185157, 326229, 555471, 761201, 978687, 2283603, 2936061, 6850809, 20552427]

約数ペア:

[(1, 20552427), (3, 6850809), (7, 2936061), (9, 2283603), (21, 978687), (27, 761201), (37, 555471), (63, 326229), (111, 185157), (189, 108743), (259, 79353), (333, 61719), (777, 26451), (999, 20573), (2331, 8817), (2939, 6993)]