20118152

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{251}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 38918880

約数和(自身を除く): 18800728

約数列:

[1, 2, 4, 8, 43, 86, 172, 233, 251, 344, 466, 502, 932, 1004, 1864, 2008, 10019, 10793, 20038, 21586, 40076, 43172, 58483, 80152, 86344, 116966, 233932, 467864, 2514769, 5029538, 10059076, 20118152]

約数ペア:

[(1, 20118152), (2, 10059076), (4, 5029538), (8, 2514769), (43, 467864), (86, 233932), (172, 116966), (233, 86344), (251, 80152), (344, 58483), (466, 43172), (502, 40076), (932, 21586), (1004, 20038), (1864, 10793), (2008, 10019)]