20155907560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1117}}^1\times {\mathrm{23743}}^1$

素因数の和:24890

約数の個数: 64

約数和(自身を含む): 47782425600

約数和(自身を除く): 27626518040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1117, 2234, 4468, 5585, 8936, 11170, 21223, 22340, 23743, 42446, 44680, 47486, 84892, 94972, 106115, 118715, 169784, 189944, 212230, 237430, 424460, 451117, 474860, 848920, 902234, 949720, 1804468, 2255585, 3608936, 4511170, 9022340, 18044680, 26520931, 53041862, 106083724, 132604655, 212167448, 265209310, 503897689, 530418620, 1007795378, 1060837240, 2015590756, 2519488445, 4031181512, 5038976890, 10077953780, 20155907560]

約数ペア:

[(1, 20155907560), (2, 10077953780), (4, 5038976890), (5, 4031181512), (8, 2519488445), (10, 2015590756), (19, 1060837240), (20, 1007795378), (38, 530418620), (40, 503897689), (76, 265209310), (95, 212167448), (152, 132604655), (190, 106083724), (380, 53041862), (760, 26520931), (1117, 18044680), (2234, 9022340), (4468, 4511170), (5585, 3608936), (8936, 2255585), (11170, 1804468), (21223, 949720), (22340, 902234), (23743, 848920), (42446, 474860), (44680, 451117), (47486, 424460), (84892, 237430), (94972, 212230), (106115, 189944), (118715, 169784)]