20188685538

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{6299}}^1$

素因数の和:6517

約数の個数: 128

約数和(自身を含む): 52496640000

約数和(自身を除く): 32307954462

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 61, 63, 122, 126, 139, 183, 189, 278, 366, 378, 417, 427, 549, 834, 854, 973, 1098, 1251, 1281, 1647, 1946, 2502, 2562, 2919, 3294, 3753, 3843, 5838, 6299, 7506, 7686, 8479, 8757, 11529, 12598, 16958, 17514, 18897, 23058, 25437, 26271, 37794, 44093, 50874, 52542, 56691, 59353, 76311, 88186, 113382, 118706, 132279, 152622, 170073, 178059, 228933, 264558, 340146, 356118, 384239, 396837, 457866, 534177, 768478, 793674, 875561, 1068354, 1152717, 1190511, 1602531, 1751122, 2305434, 2381022, 2626683, 2689673, 3205062, 3458151, 5253366, 5379346, 6128927, 6916302, 7880049, 8069019, 10374453, 12257854, 15760098, 16138038, 18386781, 20748906, 23640147, 24207057, 36773562, 47280294, 48414114, 53409221, 55160343, 72621171, 106818442, 110320686, 145242342, 160227663, 165481029, 320455326, 330962058, 373864547, 480682989, 747729094, 961365978, 1121593641, 1442048967, 2243187282, 2884097934, 3364780923, 6729561846, 10094342769, 20188685538]

約数ペア:

[(1, 20188685538), (2, 10094342769), (3, 6729561846), (6, 3364780923), (7, 2884097934), (9, 2243187282), (14, 1442048967), (18, 1121593641), (21, 961365978), (27, 747729094), (42, 480682989), (54, 373864547), (61, 330962058), (63, 320455326), (122, 165481029), (126, 160227663), (139, 145242342), (183, 110320686), (189, 106818442), (278, 72621171), (366, 55160343), (378, 53409221), (417, 48414114), (427, 47280294), (549, 36773562), (834, 24207057), (854, 23640147), (973, 20748906), (1098, 18386781), (1251, 16138038), (1281, 15760098), (1647, 12257854), (1946, 10374453), (2502, 8069019), (2562, 7880049), (2919, 6916302), (3294, 6128927), (3753, 5379346), (3843, 5253366), (5838, 3458151), (6299, 3205062), (7506, 2689673), (7686, 2626683), (8479, 2381022), (8757, 2305434), (11529, 1751122), (12598, 1602531), (16958, 1190511), (17514, 1152717), (18897, 1068354), (23058, 875561), (25437, 793674), (26271, 768478), (37794, 534177), (44093, 457866), (50874, 396837), (52542, 384239), (56691, 356118), (59353, 340146), (76311, 264558), (88186, 228933), (113382, 178059), (118706, 170073), (132279, 152622)]