20128065405

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{739}}^1\times {\mathrm{37057}}^1$

素因数の和:37818

約数の個数: 48

約数和(自身を含む): 37514554560

約数和(自身を除く): 17386489155

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 739, 2217, 3695, 5173, 11085, 15519, 25865, 36211, 37057, 77595, 108633, 111171, 181055, 185285, 259399, 543165, 555855, 778197, 1296995, 1815793, 3890985, 5447379, 9078965, 27236895, 27385123, 82155369, 136925615, 191695861, 410776845, 575087583, 958479305, 1341871027, 2875437915, 4025613081, 6709355135, 20128065405]

約数ペア:

[(1, 20128065405), (3, 6709355135), (5, 4025613081), (7, 2875437915), (15, 1341871027), (21, 958479305), (35, 575087583), (49, 410776845), (105, 191695861), (147, 136925615), (245, 82155369), (735, 27385123), (739, 27236895), (2217, 9078965), (3695, 5447379), (5173, 3890985), (11085, 1815793), (15519, 1296995), (25865, 778197), (36211, 555855), (37057, 543165), (77595, 259399), (108633, 185285), (111171, 181055)]