20176409728

素因数分解:

$2^7\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{30661}}^1$

素因数の和:30825

約数の個数: 64

約数和(自身を含む): 41377142520

約数和(自身を除く): 21200732792

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 97, 106, 128, 194, 212, 388, 424, 776, 848, 1552, 1696, 3104, 3392, 5141, 6208, 6784, 10282, 12416, 20564, 30661, 41128, 61322, 82256, 122644, 164512, 245288, 329024, 490576, 658048, 981152, 1625033, 1962304, 2974117, 3250066, 3924608, 5948234, 6500132, 11896468, 13000264, 23792936, 26000528, 47585872, 52001056, 95171744, 104002112, 157628201, 190343488, 208004224, 315256402, 380686976, 630512804, 1261025608, 2522051216, 5044102432, 10088204864, 20176409728]

約数ペア:

[(1, 20176409728), (2, 10088204864), (4, 5044102432), (8, 2522051216), (16, 1261025608), (32, 630512804), (53, 380686976), (64, 315256402), (97, 208004224), (106, 190343488), (128, 157628201), (194, 104002112), (212, 95171744), (388, 52001056), (424, 47585872), (776, 26000528), (848, 23792936), (1552, 13000264), (1696, 11896468), (3104, 6500132), (3392, 5948234), (5141, 3924608), (6208, 3250066), (6784, 2974117), (10282, 1962304), (12416, 1625033), (20564, 981152), (30661, 658048), (41128, 490576), (61322, 329024), (82256, 245288), (122644, 164512)]