20856042

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{7573}}^1$

素因数の和:7604

約数の個数: 40

約数和(自身を含む): 49488516

約数和(自身を除く): 28632474

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 306, 459, 918, 1377, 2754, 7573, 15146, 22719, 45438, 68157, 128741, 136314, 204471, 257482, 386223, 408942, 613413, 772446, 1158669, 1226826, 2317338, 3476007, 6952014, 10428021, 20856042]

約数ペア:

[(1, 20856042), (2, 10428021), (3, 6952014), (6, 3476007), (9, 2317338), (17, 1226826), (18, 1158669), (27, 772446), (34, 613413), (51, 408942), (54, 386223), (81, 257482), (102, 204471), (153, 136314), (162, 128741), (306, 68157), (459, 45438), (918, 22719), (1377, 15146), (2754, 7573)]