20161176464

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{64319}}^1$

素因数の和:64488

約数の個数: 80

約数和(自身を含む): 46227041280

約数和(自身を除く): 26065864816

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 137, 143, 176, 208, 274, 286, 548, 572, 1096, 1144, 1507, 1781, 2192, 2288, 3014, 3562, 6028, 7124, 12056, 14248, 19591, 24112, 28496, 39182, 64319, 78364, 128638, 156728, 257276, 313456, 514552, 707509, 836147, 1029104, 1415018, 1672294, 2830036, 3344588, 5660072, 6689176, 8811703, 9197617, 11320144, 13378352, 17623406, 18395234, 35246812, 36790468, 70493624, 73580936, 96928733, 114552139, 140987248, 147161872, 193857466, 229104278, 387714932, 458208556, 775429864, 916417112, 1260073529, 1550859728, 1832834224, 2520147058, 5040294116, 10080588232, 20161176464]

約数ペア:

[(1, 20161176464), (2, 10080588232), (4, 5040294116), (8, 2520147058), (11, 1832834224), (13, 1550859728), (16, 1260073529), (22, 916417112), (26, 775429864), (44, 458208556), (52, 387714932), (88, 229104278), (104, 193857466), (137, 147161872), (143, 140987248), (176, 114552139), (208, 96928733), (274, 73580936), (286, 70493624), (548, 36790468), (572, 35246812), (1096, 18395234), (1144, 17623406), (1507, 13378352), (1781, 11320144), (2192, 9197617), (2288, 8811703), (3014, 6689176), (3562, 5660072), (6028, 3344588), (7124, 2830036), (12056, 1672294), (14248, 1415018), (19591, 1029104), (24112, 836147), (28496, 707509), (39182, 514552), (64319, 313456), (78364, 257276), (128638, 156728)]