20147954

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 33177600

約数和(自身を除く): 13029646

約数列:

[1, 2, 23, 31, 46, 62, 71, 142, 199, 398, 713, 1426, 1633, 2201, 3266, 4402, 4577, 6169, 9154, 12338, 14129, 28258, 50623, 101246, 141887, 283774, 324967, 437999, 649934, 875998, 10073977, 20147954]

約数ペア:

[(1, 20147954), (2, 10073977), (23, 875998), (31, 649934), (46, 437999), (62, 324967), (71, 283774), (142, 141887), (199, 101246), (398, 50623), (713, 28258), (1426, 14129), (1633, 12338), (2201, 9154), (3266, 6169), (4402, 4577)]