20790742428

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{137}}^1\times {\mathrm{39397}}^1$

素因数の和:39651

約数の個数: 72

約数和(自身を含む): 53434089072

約数和(自身を除く): 32643346644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 137, 214, 274, 321, 411, 428, 548, 642, 822, 963, 1233, 1284, 1644, 1926, 2466, 3852, 4932, 14659, 29318, 39397, 43977, 58636, 78794, 87954, 118191, 131931, 157588, 175908, 236382, 263862, 354573, 472764, 527724, 709146, 1418292, 4215479, 5397389, 8430958, 10794778, 12646437, 16192167, 16861916, 21589556, 25292874, 32384334, 37939311, 48576501, 50585748, 64768668, 75878622, 97153002, 151757244, 194306004, 577520623, 1155041246, 1732561869, 2310082492, 3465123738, 5197685607, 6930247476, 10395371214, 20790742428]

約数ペア:

[(1, 20790742428), (2, 10395371214), (3, 6930247476), (4, 5197685607), (6, 3465123738), (9, 2310082492), (12, 1732561869), (18, 1155041246), (36, 577520623), (107, 194306004), (137, 151757244), (214, 97153002), (274, 75878622), (321, 64768668), (411, 50585748), (428, 48576501), (548, 37939311), (642, 32384334), (822, 25292874), (963, 21589556), (1233, 16861916), (1284, 16192167), (1644, 12646437), (1926, 10794778), (2466, 8430958), (3852, 5397389), (4932, 4215479), (14659, 1418292), (29318, 709146), (39397, 527724), (43977, 472764), (58636, 354573), (78794, 263862), (87954, 236382), (118191, 175908), (131931, 157588)]