20925864

素因数分解:

$2^3\times 3^4\times {\mathrm{43}}^1\times {\mathrm{751}}^1$

素因数の和:812

約数の個数: 80

約数和(自身を含む): 60054720

約数和(自身を除く): 39128856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 72, 81, 86, 108, 129, 162, 172, 216, 258, 324, 344, 387, 516, 648, 751, 774, 1032, 1161, 1502, 1548, 2253, 2322, 3004, 3096, 3483, 4506, 4644, 6008, 6759, 6966, 9012, 9288, 13518, 13932, 18024, 20277, 27036, 27864, 32293, 40554, 54072, 60831, 64586, 81108, 96879, 121662, 129172, 162216, 193758, 243324, 258344, 290637, 387516, 486648, 581274, 775032, 871911, 1162548, 1743822, 2325096, 2615733, 3487644, 5231466, 6975288, 10462932, 20925864]

約数ペア:

[(1, 20925864), (2, 10462932), (3, 6975288), (4, 5231466), (6, 3487644), (8, 2615733), (9, 2325096), (12, 1743822), (18, 1162548), (24, 871911), (27, 775032), (36, 581274), (43, 486648), (54, 387516), (72, 290637), (81, 258344), (86, 243324), (108, 193758), (129, 162216), (162, 129172), (172, 121662), (216, 96879), (258, 81108), (324, 64586), (344, 60831), (387, 54072), (516, 40554), (648, 32293), (751, 27864), (774, 27036), (1032, 20277), (1161, 18024), (1502, 13932), (1548, 13518), (2253, 9288), (2322, 9012), (3004, 6966), (3096, 6759), (3483, 6008), (4506, 4644)]