20346172

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{9437}}^1$

素因数の和:9466

約数の個数: 36

約数和(自身を含む): 45189144

約数和(自身を除く): 24842972

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 9437, 18874, 37748, 66059, 103807, 132118, 207614, 264236, 415228, 462413, 726649, 924826, 1453298, 1849652, 2906596, 5086543, 10173086, 20346172]

約数ペア:

[(1, 20346172), (2, 10173086), (4, 5086543), (7, 2906596), (11, 1849652), (14, 1453298), (22, 924826), (28, 726649), (44, 462413), (49, 415228), (77, 264236), (98, 207614), (154, 132118), (196, 103807), (308, 66059), (539, 37748), (1078, 18874), (2156, 9437)]