20020154

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1831}}^1$

素因数の和:1922

約数の個数: 32

約数和(自身を含む): 37988352

約数和(自身を除く): 17968198

約数列:

[1, 2, 7, 11, 14, 22, 71, 77, 142, 154, 497, 781, 994, 1562, 1831, 3662, 5467, 10934, 12817, 20141, 25634, 40282, 130001, 140987, 260002, 281974, 910007, 1430011, 1820014, 2860022, 10010077, 20020154]

約数ペア:

[(1, 20020154), (2, 10010077), (7, 2860022), (11, 1820014), (14, 1430011), (22, 910007), (71, 281974), (77, 260002), (142, 140987), (154, 130001), (497, 40282), (781, 25634), (994, 20141), (1562, 12817), (1831, 10934), (3662, 5467)]