20184854150

素因数分解:

$2^1\times 5^2\times {\mathrm{157}}^1\times {\mathrm{1447}}^1\times {\mathrm{1777}}^1$

素因数の和:3393

約数の個数: 48

約数和(自身を含む): 37830349536

約数和(自身を除く): 17645495386

約数列:

[1, 2, 5, 10, 25, 50, 157, 314, 785, 1447, 1570, 1777, 2894, 3554, 3925, 7235, 7850, 8885, 14470, 17770, 36175, 44425, 72350, 88850, 227179, 278989, 454358, 557978, 1135895, 1394945, 2271790, 2571319, 2789890, 5142638, 5679475, 6974725, 11358950, 12856595, 13949450, 25713190, 64282975, 128565950, 403697083, 807394166, 2018485415, 4036970830, 10092427075, 20184854150]

約数ペア:

[(1, 20184854150), (2, 10092427075), (5, 4036970830), (10, 2018485415), (25, 807394166), (50, 403697083), (157, 128565950), (314, 64282975), (785, 25713190), (1447, 13949450), (1570, 12856595), (1777, 11358950), (2894, 6974725), (3554, 5679475), (3925, 5142638), (7235, 2789890), (7850, 2571319), (8885, 2271790), (14470, 1394945), (17770, 1135895), (36175, 557978), (44425, 454358), (72350, 278989), (88850, 227179)]