20848580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{743}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 46497024

約数和(自身を除く): 25648444

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 230, 244, 305, 460, 610, 743, 1220, 1403, 1486, 2806, 2972, 3715, 5612, 7015, 7430, 14030, 14860, 17089, 28060, 34178, 45323, 68356, 85445, 90646, 170890, 181292, 226615, 341780, 453230, 906460, 1042429, 2084858, 4169716, 5212145, 10424290, 20848580]

約数ペア:

[(1, 20848580), (2, 10424290), (4, 5212145), (5, 4169716), (10, 2084858), (20, 1042429), (23, 906460), (46, 453230), (61, 341780), (92, 226615), (115, 181292), (122, 170890), (230, 90646), (244, 85445), (305, 68356), (460, 45323), (610, 34178), (743, 28060), (1220, 17089), (1403, 14860), (1486, 14030), (2806, 7430), (2972, 7015), (3715, 5612)]