20854468

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{541}}^1$

素因数の和:987

約数の個数: 24

約数和(自身を含む): 38243520

約数和(自身を除く): 17389052

約数列:

[1, 2, 4, 23, 46, 92, 419, 541, 838, 1082, 1676, 2164, 9637, 12443, 19274, 24886, 38548, 49772, 226679, 453358, 906716, 5213617, 10427234, 20854468]

約数ペア:

[(1, 20854468), (2, 10427234), (4, 5213617), (23, 906716), (46, 453358), (92, 226679), (419, 49772), (541, 38548), (838, 24886), (1082, 19274), (1676, 12443), (2164, 9637)]