20940712

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{743}}^1$

素因数の和:1033

約数の個数: 32

約数和(自身を含む): 42497280

約数和(自身を除く): 21556568

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 271, 542, 743, 1084, 1486, 2168, 2972, 3523, 5944, 7046, 9659, 14092, 19318, 28184, 38636, 77272, 201353, 402706, 805412, 1610824, 2617589, 5235178, 10470356, 20940712]

約数ペア:

[(1, 20940712), (2, 10470356), (4, 5235178), (8, 2617589), (13, 1610824), (26, 805412), (52, 402706), (104, 201353), (271, 77272), (542, 38636), (743, 28184), (1084, 19318), (1486, 14092), (2168, 9659), (2972, 7046), (3523, 5944)]