20051520290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4027}}^1\times {\mathrm{21649}}^1$

素因数の和:25706

約数の個数: 32

約数和(自身を含む): 37673078400

約数和(自身を除く): 17621558110

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 4027, 8054, 20135, 21649, 40270, 43298, 92621, 108245, 185242, 216490, 463105, 497927, 926210, 995854, 2489635, 4979270, 87180523, 174361046, 435902615, 871805230, 2005152029, 4010304058, 10025760145, 20051520290]

約数ペア:

[(1, 20051520290), (2, 10025760145), (5, 4010304058), (10, 2005152029), (23, 871805230), (46, 435902615), (115, 174361046), (230, 87180523), (4027, 4979270), (8054, 2489635), (20135, 995854), (21649, 926210), (40270, 497927), (43298, 463105), (92621, 216490), (108245, 185242)]