20396104

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{281}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 39457440

約数和(自身を除く): 19061336

約数列:

[1, 2, 4, 8, 43, 86, 172, 211, 281, 344, 422, 562, 844, 1124, 1688, 2248, 9073, 12083, 18146, 24166, 36292, 48332, 59291, 72584, 96664, 118582, 237164, 474328, 2549513, 5099026, 10198052, 20396104]

約数ペア:

[(1, 20396104), (2, 10198052), (4, 5099026), (8, 2549513), (43, 474328), (86, 237164), (172, 118582), (211, 96664), (281, 72584), (344, 59291), (422, 48332), (562, 36292), (844, 24166), (1124, 18146), (1688, 12083), (2248, 9073)]