20228776

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 23316824

約数列:

[1, 2, 4, 8, 17, 23, 29, 34, 46, 58, 68, 92, 116, 136, 184, 223, 232, 391, 446, 493, 667, 782, 892, 986, 1334, 1564, 1784, 1972, 2668, 3128, 3791, 3944, 5129, 5336, 6467, 7582, 10258, 11339, 12934, 15164, 20516, 22678, 25868, 30328, 41032, 45356, 51736, 87193, 90712, 109939, 148741, 174386, 219878, 297482, 348772, 439756, 594964, 697544, 879512, 1189928, 2528597, 5057194, 10114388, 20228776]

約数ペア:

[(1, 20228776), (2, 10114388), (4, 5057194), (8, 2528597), (17, 1189928), (23, 879512), (29, 697544), (34, 594964), (46, 439756), (58, 348772), (68, 297482), (92, 219878), (116, 174386), (136, 148741), (184, 109939), (223, 90712), (232, 87193), (391, 51736), (446, 45356), (493, 41032), (667, 30328), (782, 25868), (892, 22678), (986, 20516), (1334, 15164), (1564, 12934), (1784, 11339), (1972, 10258), (2668, 7582), (3128, 6467), (3791, 5336), (3944, 5129)]