20151460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8467}}^1$

素因数の和:8500

約数の個数: 48

約数和(自身を含む): 51214464

約数和(自身を除く): 31063004

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 8467, 16934, 33868, 42335, 59269, 84670, 118538, 143939, 169340, 237076, 287878, 296345, 575756, 592690, 719695, 1007573, 1185380, 1439390, 2015146, 2878780, 4030292, 5037865, 10075730, 20151460]

約数ペア:

[(1, 20151460), (2, 10075730), (4, 5037865), (5, 4030292), (7, 2878780), (10, 2015146), (14, 1439390), (17, 1185380), (20, 1007573), (28, 719695), (34, 592690), (35, 575756), (68, 296345), (70, 287878), (85, 237076), (119, 169340), (140, 143939), (170, 118538), (238, 84670), (340, 59269), (476, 42335), (595, 33868), (1190, 16934), (2380, 8467)]