20731494744

素因数分解:

$2^3\times 3^2\times {\mathrm{103}}^1\times {\mathrm{971}}^1\times {\mathrm{2879}}^1$

素因数の和:3965

約数の個数: 96

約数和(自身を含む): 56771020800

約数和(自身を除く): 36039526056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 103, 206, 309, 412, 618, 824, 927, 971, 1236, 1854, 1942, 2472, 2879, 2913, 3708, 3884, 5758, 5826, 7416, 7768, 8637, 8739, 11516, 11652, 17274, 17478, 23032, 23304, 25911, 34548, 34956, 51822, 69096, 69912, 100013, 103644, 200026, 207288, 296537, 300039, 400052, 593074, 600078, 800104, 889611, 900117, 1186148, 1200156, 1779222, 1800234, 2372296, 2400312, 2668833, 2795509, 3558444, 3600468, 5337666, 5591018, 7116888, 7200936, 8386527, 10675332, 11182036, 16773054, 21350664, 22364072, 25159581, 33546108, 50319162, 67092216, 100638324, 201276648, 287937427, 575874854, 863812281, 1151749708, 1727624562, 2303499416, 2591436843, 3455249124, 5182873686, 6910498248, 10365747372, 20731494744]

約数ペア:

[(1, 20731494744), (2, 10365747372), (3, 6910498248), (4, 5182873686), (6, 3455249124), (8, 2591436843), (9, 2303499416), (12, 1727624562), (18, 1151749708), (24, 863812281), (36, 575874854), (72, 287937427), (103, 201276648), (206, 100638324), (309, 67092216), (412, 50319162), (618, 33546108), (824, 25159581), (927, 22364072), (971, 21350664), (1236, 16773054), (1854, 11182036), (1942, 10675332), (2472, 8386527), (2879, 7200936), (2913, 7116888), (3708, 5591018), (3884, 5337666), (5758, 3600468), (5826, 3558444), (7416, 2795509), (7768, 2668833), (8637, 2400312), (8739, 2372296), (11516, 1800234), (11652, 1779222), (17274, 1200156), (17478, 1186148), (23032, 900117), (23304, 889611), (25911, 800104), (34548, 600078), (34956, 593074), (51822, 400052), (69096, 300039), (69912, 296537), (100013, 207288), (103644, 200026)]