20309874

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{11321}}^1$

素因数の和:11362

約数の個数: 32

約数和(自身を含む): 45650304

約数和(自身を除く): 25340430

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 11321, 22642, 33963, 67926, 147173, 260383, 294346, 441519, 520766, 781149, 883038, 1562298, 3384979, 6769958, 10154937, 20309874]

約数ペア:

[(1, 20309874), (2, 10154937), (3, 6769958), (6, 3384979), (13, 1562298), (23, 883038), (26, 781149), (39, 520766), (46, 441519), (69, 294346), (78, 260383), (138, 147173), (299, 67926), (598, 33963), (897, 22642), (1794, 11321)]