20079893548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{662353}}^1$

素因数の和:662434

約数の個数: 48

約数和(自身を含む): 42062128416

約数和(自身を除く): 21982234868

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 53, 106, 143, 212, 286, 572, 583, 689, 1166, 1378, 2332, 2756, 7579, 15158, 30316, 662353, 1324706, 2649412, 7285883, 8610589, 14571766, 17221178, 29143532, 34442356, 35104709, 70209418, 94716479, 140418836, 189432958, 378865916, 386151799, 456361217, 772303598, 912722434, 1544607196, 1825444868, 5019973387, 10039946774, 20079893548]

約数ペア:

[(1, 20079893548), (2, 10039946774), (4, 5019973387), (11, 1825444868), (13, 1544607196), (22, 912722434), (26, 772303598), (44, 456361217), (52, 386151799), (53, 378865916), (106, 189432958), (143, 140418836), (212, 94716479), (286, 70209418), (572, 35104709), (583, 34442356), (689, 29143532), (1166, 17221178), (1378, 14571766), (2332, 8610589), (2756, 7285883), (7579, 2649412), (15158, 1324706), (30316, 662353)]