20189343

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 29756160

約数和(自身を除く): 9566817

約数列:

[1, 3, 19, 41, 53, 57, 123, 159, 163, 489, 779, 1007, 2173, 2337, 3021, 3097, 6519, 6683, 8639, 9291, 20049, 25917, 41287, 123861, 126977, 164141, 354199, 380931, 492423, 1062597, 6729781, 20189343]

約数ペア:

[(1, 20189343), (3, 6729781), (19, 1062597), (41, 492423), (53, 380931), (57, 354199), (123, 164141), (159, 126977), (163, 123861), (489, 41287), (779, 25917), (1007, 20049), (2173, 9291), (2337, 8639), (3021, 6683), (3097, 6519)]