20685392

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14207}}^1$

素因数の和:14235

約数の個数: 40

約数和(自身を含む): 49330176

約数和(自身を除く): 28644784

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14207, 28414, 56828, 99449, 113656, 184691, 198898, 227312, 369382, 397796, 738764, 795592, 1292837, 1477528, 1591184, 2585674, 2955056, 5171348, 10342696, 20685392]

約数ペア:

[(1, 20685392), (2, 10342696), (4, 5171348), (7, 2955056), (8, 2585674), (13, 1591184), (14, 1477528), (16, 1292837), (26, 795592), (28, 738764), (52, 397796), (56, 369382), (91, 227312), (104, 198898), (112, 184691), (182, 113656), (208, 99449), (364, 56828), (728, 28414), (1456, 14207)]