20727344

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:210

約数の個数: 80

約数和(自身を含む): 47139840

約数和(自身を除く): 26412496

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 31, 44, 58, 62, 88, 116, 124, 131, 176, 232, 248, 262, 319, 341, 464, 496, 524, 638, 682, 899, 1048, 1276, 1364, 1441, 1798, 2096, 2552, 2728, 2882, 3596, 3799, 4061, 5104, 5456, 5764, 7192, 7598, 8122, 9889, 11528, 14384, 15196, 16244, 19778, 23056, 30392, 32488, 39556, 41789, 44671, 60784, 64976, 79112, 83578, 89342, 117769, 158224, 167156, 178684, 235538, 334312, 357368, 471076, 668624, 714736, 942152, 1295459, 1884304, 2590918, 5181836, 10363672, 20727344]

約数ペア:

[(1, 20727344), (2, 10363672), (4, 5181836), (8, 2590918), (11, 1884304), (16, 1295459), (22, 942152), (29, 714736), (31, 668624), (44, 471076), (58, 357368), (62, 334312), (88, 235538), (116, 178684), (124, 167156), (131, 158224), (176, 117769), (232, 89342), (248, 83578), (262, 79112), (319, 64976), (341, 60784), (464, 44671), (496, 41789), (524, 39556), (638, 32488), (682, 30392), (899, 23056), (1048, 19778), (1276, 16244), (1364, 15196), (1441, 14384), (1798, 11528), (2096, 9889), (2552, 8122), (2728, 7598), (2882, 7192), (3596, 5764), (3799, 5456), (4061, 5104)]