20748150

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 120

約数和(自身を含む): 59415840

約数和(自身を除く): 38667690

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 47, 50, 54, 75, 81, 90, 94, 109, 135, 141, 150, 162, 218, 225, 235, 270, 282, 327, 405, 423, 450, 470, 545, 654, 675, 705, 810, 846, 981, 1090, 1175, 1269, 1350, 1410, 1635, 1962, 2025, 2115, 2350, 2538, 2725, 2943, 3270, 3525, 3807, 4050, 4230, 4905, 5123, 5450, 5886, 6345, 7050, 7614, 8175, 8829, 9810, 10246, 10575, 12690, 14715, 15369, 16350, 17658, 19035, 21150, 24525, 25615, 29430, 30738, 31725, 38070, 44145, 46107, 49050, 51230, 63450, 73575, 76845, 88290, 92214, 95175, 128075, 138321, 147150, 153690, 190350, 220725, 230535, 256150, 276642, 384225, 414963, 441450, 461070, 691605, 768450, 829926, 1152675, 1383210, 2074815, 2305350, 3458025, 4149630, 6916050, 10374075, 20748150]

約数ペア:

[(1, 20748150), (2, 10374075), (3, 6916050), (5, 4149630), (6, 3458025), (9, 2305350), (10, 2074815), (15, 1383210), (18, 1152675), (25, 829926), (27, 768450), (30, 691605), (45, 461070), (47, 441450), (50, 414963), (54, 384225), (75, 276642), (81, 256150), (90, 230535), (94, 220725), (109, 190350), (135, 153690), (141, 147150), (150, 138321), (162, 128075), (218, 95175), (225, 92214), (235, 88290), (270, 76845), (282, 73575), (327, 63450), (405, 51230), (423, 49050), (450, 46107), (470, 44145), (545, 38070), (654, 31725), (675, 30738), (705, 29430), (810, 25615), (846, 24525), (981, 21150), (1090, 19035), (1175, 17658), (1269, 16350), (1350, 15369), (1410, 14715), (1635, 12690), (1962, 10575), (2025, 10246), (2115, 9810), (2350, 8829), (2538, 8175), (2725, 7614), (2943, 7050), (3270, 6345), (3525, 5886), (3807, 5450), (4050, 5123), (4230, 4905)]