20473761

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{337}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 34265088

約数和(自身を除く): 13791327

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 263, 337, 789, 1011, 1841, 2359, 2893, 3707, 5523, 7077, 8679, 11121, 20251, 25949, 60753, 77847, 88631, 265893, 620417, 974941, 1861251, 2924823, 6824587, 20473761]

約数ペア:

[(1, 20473761), (3, 6824587), (7, 2924823), (11, 1861251), (21, 974941), (33, 620417), (77, 265893), (231, 88631), (263, 77847), (337, 60753), (789, 25949), (1011, 20251), (1841, 11121), (2359, 8679), (2893, 7077), (3707, 5523)]