20904056

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{1103}}^1$

素因数の和:1235

約数の個数: 32

約数和(自身を含む): 41333760

約数和(自身を除く): 20429704

約数列:

[1, 2, 4, 8, 23, 46, 92, 103, 184, 206, 412, 824, 1103, 2206, 2369, 4412, 4738, 8824, 9476, 18952, 25369, 50738, 101476, 113609, 202952, 227218, 454436, 908872, 2613007, 5226014, 10452028, 20904056]

約数ペア:

[(1, 20904056), (2, 10452028), (4, 5226014), (8, 2613007), (23, 908872), (46, 454436), (92, 227218), (103, 202952), (184, 113609), (206, 101476), (412, 50738), (824, 25369), (1103, 18952), (2206, 9476), (2369, 8824), (4412, 4738)]