20888640

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{7253}}^1$

素因数の和:7276

約数の個数: 84

約数和(自身を含む): 71858124

約数和(自身を除く): 50969484

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 7253, 14506, 21759, 29012, 36265, 43518, 58024, 65277, 72530, 87036, 108795, 116048, 130554, 145060, 174072, 217590, 232096, 261108, 290120, 326385, 348144, 435180, 464192, 522216, 580240, 652770, 696288, 870360, 1044432, 1160480, 1305540, 1392576, 1740720, 2088864, 2320960, 2611080, 3481440, 4177728, 5222160, 6962880, 10444320, 20888640]

約数ペア:

[(1, 20888640), (2, 10444320), (3, 6962880), (4, 5222160), (5, 4177728), (6, 3481440), (8, 2611080), (9, 2320960), (10, 2088864), (12, 1740720), (15, 1392576), (16, 1305540), (18, 1160480), (20, 1044432), (24, 870360), (30, 696288), (32, 652770), (36, 580240), (40, 522216), (45, 464192), (48, 435180), (60, 348144), (64, 326385), (72, 290120), (80, 261108), (90, 232096), (96, 217590), (120, 174072), (144, 145060), (160, 130554), (180, 116048), (192, 108795), (240, 87036), (288, 72530), (320, 65277), (360, 58024), (480, 43518), (576, 36265), (720, 29012), (960, 21759), (1440, 14506), (2880, 7253)]