20629359212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{320471}}^1$

素因数の和:320523

約数の個数: 72

約数和(自身を含む): 47737509120

約数和(自身を除く): 27108149908

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 121, 133, 154, 209, 242, 266, 308, 418, 484, 532, 836, 847, 1463, 1694, 2299, 2926, 3388, 4598, 5852, 9196, 16093, 32186, 64372, 320471, 640942, 1281884, 2243297, 3525181, 4486594, 6088949, 7050362, 8973188, 12177898, 14100724, 24355796, 24676267, 38776991, 42622643, 49352534, 66978439, 77553982, 85245286, 98705068, 133956878, 155107964, 170490572, 267913756, 271438937, 468849073, 542877874, 736762829, 937698146, 1085755748, 1473525658, 1875396292, 2947051316, 5157339803, 10314679606, 20629359212]

約数ペア:

[(1, 20629359212), (2, 10314679606), (4, 5157339803), (7, 2947051316), (11, 1875396292), (14, 1473525658), (19, 1085755748), (22, 937698146), (28, 736762829), (38, 542877874), (44, 468849073), (76, 271438937), (77, 267913756), (121, 170490572), (133, 155107964), (154, 133956878), (209, 98705068), (242, 85245286), (266, 77553982), (308, 66978439), (418, 49352534), (484, 42622643), (532, 38776991), (836, 24676267), (847, 24355796), (1463, 14100724), (1694, 12177898), (2299, 8973188), (2926, 7050362), (3388, 6088949), (4598, 4486594), (5852, 3525181), (9196, 2243297), (16093, 1281884), (32186, 640942), (64372, 320471)]