20676320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{18461}}^1$

素因数の和:18483

約数の個数: 48

約数和(自身を含む): 55829088

約数和(自身を除く): 35152768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 18461, 36922, 73844, 92305, 129227, 147688, 184610, 258454, 295376, 369220, 516908, 590752, 646135, 738440, 1033816, 1292270, 1476880, 2067632, 2584540, 2953760, 4135264, 5169080, 10338160, 20676320]

約数ペア:

[(1, 20676320), (2, 10338160), (4, 5169080), (5, 4135264), (7, 2953760), (8, 2584540), (10, 2067632), (14, 1476880), (16, 1292270), (20, 1033816), (28, 738440), (32, 646135), (35, 590752), (40, 516908), (56, 369220), (70, 295376), (80, 258454), (112, 184610), (140, 147688), (160, 129227), (224, 92305), (280, 73844), (560, 36922), (1120, 18461)]