20550519

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:308

約数の個数: 36

約数和(自身を含む): 33113808

約数和(自身を除く): 12563289

約数列:

[1, 3, 9, 11, 33, 99, 113, 121, 167, 339, 363, 501, 1017, 1089, 1243, 1503, 1837, 3729, 5511, 11187, 13673, 16533, 18871, 20207, 41019, 56613, 60621, 123057, 169839, 181863, 207581, 622743, 1868229, 2283391, 6850173, 20550519]

約数ペア:

[(1, 20550519), (3, 6850173), (9, 2283391), (11, 1868229), (33, 622743), (99, 207581), (113, 181863), (121, 169839), (167, 123057), (339, 60621), (363, 56613), (501, 41019), (1017, 20207), (1089, 18871), (1243, 16533), (1503, 13673), (1837, 11187), (3729, 5511)]