20984640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{21859}}^1$

素因数の和:21879

約数の個数: 56

約数和(自身を含む): 66629280

約数和(自身を除く): 45644640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 21859, 43718, 65577, 87436, 109295, 131154, 174872, 218590, 262308, 327885, 349744, 437180, 524616, 655770, 699488, 874360, 1049232, 1311540, 1398976, 1748720, 2098464, 2623080, 3497440, 4196928, 5246160, 6994880, 10492320, 20984640]

約数ペア:

[(1, 20984640), (2, 10492320), (3, 6994880), (4, 5246160), (5, 4196928), (6, 3497440), (8, 2623080), (10, 2098464), (12, 1748720), (15, 1398976), (16, 1311540), (20, 1049232), (24, 874360), (30, 699488), (32, 655770), (40, 524616), (48, 437180), (60, 349744), (64, 327885), (80, 262308), (96, 218590), (120, 174872), (160, 131154), (192, 109295), (240, 87436), (320, 65577), (480, 43718), (960, 21859)]