20778844164

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{677}}^1\times {\mathrm{1087}}^1$

素因数の和:1965

約数の個数: 96

約数和(自身を含む): 52627900416

約数和(自身を除く): 31849056252

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 181, 362, 543, 677, 724, 1086, 1087, 1354, 2031, 2172, 2174, 2353, 2708, 3261, 4062, 4348, 4706, 6522, 7059, 8124, 8801, 9412, 13044, 14118, 14131, 17602, 26403, 28236, 28262, 35204, 42393, 52806, 56524, 84786, 105612, 122537, 169572, 196747, 245074, 367611, 393494, 490148, 590241, 735222, 735899, 786988, 1180482, 1470444, 1471798, 1592981, 2207697, 2360964, 2557711, 2943596, 3185962, 4415394, 4778943, 5115422, 6371924, 7673133, 8830788, 9557886, 9566687, 10230844, 15346266, 19115772, 19133374, 28700061, 30692532, 38266748, 57400122, 114800244, 133197719, 266395438, 399593157, 532790876, 799186314, 1598372628, 1731570347, 3463140694, 5194711041, 6926281388, 10389422082, 20778844164]

約数ペア:

[(1, 20778844164), (2, 10389422082), (3, 6926281388), (4, 5194711041), (6, 3463140694), (12, 1731570347), (13, 1598372628), (26, 799186314), (39, 532790876), (52, 399593157), (78, 266395438), (156, 133197719), (181, 114800244), (362, 57400122), (543, 38266748), (677, 30692532), (724, 28700061), (1086, 19133374), (1087, 19115772), (1354, 15346266), (2031, 10230844), (2172, 9566687), (2174, 9557886), (2353, 8830788), (2708, 7673133), (3261, 6371924), (4062, 5115422), (4348, 4778943), (4706, 4415394), (6522, 3185962), (7059, 2943596), (8124, 2557711), (8801, 2360964), (9412, 2207697), (13044, 1592981), (14118, 1471798), (14131, 1470444), (17602, 1180482), (26403, 786988), (28236, 735899), (28262, 735222), (35204, 590241), (42393, 490148), (52806, 393494), (56524, 367611), (84786, 245074), (105612, 196747), (122537, 169572)]