20433556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 42477120

約数和(自身を除く): 22043564

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 139, 143, 257, 278, 286, 514, 556, 572, 1028, 1529, 1807, 2827, 3058, 3341, 3614, 5654, 6116, 6682, 7228, 11308, 13364, 19877, 35723, 36751, 39754, 71446, 73502, 79508, 142892, 147004, 392953, 464399, 785906, 928798, 1571812, 1857596, 5108389, 10216778, 20433556]

約数ペア:

[(1, 20433556), (2, 10216778), (4, 5108389), (11, 1857596), (13, 1571812), (22, 928798), (26, 785906), (44, 464399), (52, 392953), (139, 147004), (143, 142892), (257, 79508), (278, 73502), (286, 71446), (514, 39754), (556, 36751), (572, 35723), (1028, 19877), (1529, 13364), (1807, 11308), (2827, 7228), (3058, 6682), (3341, 6116), (3614, 5654)]