20393032

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 44193600

約数和(自身を除く): 23800568

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 61, 88, 116, 122, 131, 232, 244, 262, 319, 488, 524, 638, 671, 1048, 1276, 1342, 1441, 1769, 2552, 2684, 2882, 3538, 3799, 5368, 5764, 7076, 7598, 7991, 11528, 14152, 15196, 15982, 19459, 30392, 31964, 38918, 41789, 63928, 77836, 83578, 87901, 155672, 167156, 175802, 231739, 334312, 351604, 463478, 703208, 926956, 1853912, 2549129, 5098258, 10196516, 20393032]

約数ペア:

[(1, 20393032), (2, 10196516), (4, 5098258), (8, 2549129), (11, 1853912), (22, 926956), (29, 703208), (44, 463478), (58, 351604), (61, 334312), (88, 231739), (116, 175802), (122, 167156), (131, 155672), (232, 87901), (244, 83578), (262, 77836), (319, 63928), (488, 41789), (524, 38918), (638, 31964), (671, 30392), (1048, 19459), (1276, 15982), (1342, 15196), (1441, 14152), (1769, 11528), (2552, 7991), (2684, 7598), (2882, 7076), (3538, 5764), (3799, 5368)]