20514120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15541}}^1$

素因数の和:15566

約数の個数: 64

約数和(自身を含む): 67141440

約数和(自身を除く): 46627320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 15541, 31082, 46623, 62164, 77705, 93246, 124328, 155410, 170951, 186492, 233115, 310820, 341902, 372984, 466230, 512853, 621640, 683804, 854755, 932460, 1025706, 1367608, 1709510, 1864920, 2051412, 2564265, 3419020, 4102824, 5128530, 6838040, 10257060, 20514120]

約数ペア:

[(1, 20514120), (2, 10257060), (3, 6838040), (4, 5128530), (5, 4102824), (6, 3419020), (8, 2564265), (10, 2051412), (11, 1864920), (12, 1709510), (15, 1367608), (20, 1025706), (22, 932460), (24, 854755), (30, 683804), (33, 621640), (40, 512853), (44, 466230), (55, 372984), (60, 341902), (66, 310820), (88, 233115), (110, 186492), (120, 170951), (132, 155410), (165, 124328), (220, 93246), (264, 77705), (330, 62164), (440, 46623), (660, 31082), (1320, 15541)]