20853120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10861}}^1$

素因数の和:10883

約数の個数: 64

約数和(自身を含む): 66475440

約数和(自身を除く): 45622320

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, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10861, 21722, 32583, 43444, 54305, 65166, 86888, 108610, 130332, 162915, 173776, 217220, 260664, 325830, 347552, 434440, 521328, 651660, 695104, 868880, 1042656, 1303320, 1390208, 1737760, 2085312, 2606640, 3475520, 4170624, 5213280, 6951040, 10426560, 20853120]

約数ペア:

[(1, 20853120), (2, 10426560), (3, 6951040), (4, 5213280), (5, 4170624), (6, 3475520), (8, 2606640), (10, 2085312), (12, 1737760), (15, 1390208), (16, 1303320), (20, 1042656), (24, 868880), (30, 695104), (32, 651660), (40, 521328), (48, 434440), (60, 347552), (64, 325830), (80, 260664), (96, 217220), (120, 173776), (128, 162915), (160, 130332), (192, 108610), (240, 86888), (320, 65166), (384, 54305), (480, 43444), (640, 32583), (960, 21722), (1920, 10861)]