20912658

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{11657}}^1$

素因数の和:11698

約数の個数: 32

約数和(自身を含む): 47005056

約数和(自身を除く): 26092398

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 11657, 23314, 34971, 69942, 151541, 268111, 303082, 454623, 536222, 804333, 909246, 1608666, 3485443, 6970886, 10456329, 20912658]

約数ペア:

[(1, 20912658), (2, 10456329), (3, 6970886), (6, 3485443), (13, 1608666), (23, 909246), (26, 804333), (39, 536222), (46, 454623), (69, 303082), (78, 268111), (138, 151541), (299, 69942), (598, 34971), (897, 23314), (1794, 11657)]