20815924

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{263}}^1\times {\mathrm{421}}^1$

素因数の和:735

約数の個数: 24

約数和(自身を含む): 37433088

約数和(自身を除く): 16617164

約数列:

[1, 2, 4, 47, 94, 188, 263, 421, 526, 842, 1052, 1684, 12361, 19787, 24722, 39574, 49444, 79148, 110723, 221446, 442892, 5203981, 10407962, 20815924]

約数ペア:

[(1, 20815924), (2, 10407962), (4, 5203981), (47, 442892), (94, 221446), (188, 110723), (263, 79148), (421, 49444), (526, 39574), (842, 24722), (1052, 19787), (1684, 12361)]