20750112

素因数分解:

$2^5\times 3^2\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:786

約数の個数: 72

約数和(自身を含む): 59639580

約数和(自身を除く): 38889468

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 109, 144, 218, 288, 327, 436, 654, 661, 872, 981, 1308, 1322, 1744, 1962, 1983, 2616, 2644, 3488, 3924, 3966, 5232, 5288, 5949, 7848, 7932, 10464, 10576, 11898, 15696, 15864, 21152, 23796, 31392, 31728, 47592, 63456, 72049, 95184, 144098, 190368, 216147, 288196, 432294, 576392, 648441, 864588, 1152784, 1296882, 1729176, 2305568, 2593764, 3458352, 5187528, 6916704, 10375056, 20750112]

約数ペア:

[(1, 20750112), (2, 10375056), (3, 6916704), (4, 5187528), (6, 3458352), (8, 2593764), (9, 2305568), (12, 1729176), (16, 1296882), (18, 1152784), (24, 864588), (32, 648441), (36, 576392), (48, 432294), (72, 288196), (96, 216147), (109, 190368), (144, 144098), (218, 95184), (288, 72049), (327, 63456), (436, 47592), (654, 31728), (661, 31392), (872, 23796), (981, 21152), (1308, 15864), (1322, 15696), (1744, 11898), (1962, 10576), (1983, 10464), (2616, 7932), (2644, 7848), (3488, 5949), (3924, 5288), (3966, 5232)]