16920156

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 44568832

約数和(自身を除く): 27648676

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 43, 44, 66, 86, 121, 129, 132, 172, 242, 258, 271, 363, 473, 484, 516, 542, 726, 813, 946, 1084, 1419, 1452, 1626, 1892, 2838, 2981, 3252, 5203, 5676, 5962, 8943, 10406, 11653, 11924, 15609, 17886, 20812, 23306, 31218, 32791, 34959, 35772, 46612, 62436, 65582, 69918, 98373, 128183, 131164, 139836, 196746, 256366, 384549, 393492, 512732, 769098, 1410013, 1538196, 2820026, 4230039, 5640052, 8460078, 16920156]

約数ペア:

[(1, 16920156), (2, 8460078), (3, 5640052), (4, 4230039), (6, 2820026), (11, 1538196), (12, 1410013), (22, 769098), (33, 512732), (43, 393492), (44, 384549), (66, 256366), (86, 196746), (121, 139836), (129, 131164), (132, 128183), (172, 98373), (242, 69918), (258, 65582), (271, 62436), (363, 46612), (473, 35772), (484, 34959), (516, 32791), (542, 31218), (726, 23306), (813, 20812), (946, 17886), (1084, 15609), (1419, 11924), (1452, 11653), (1626, 10406), (1892, 8943), (2838, 5962), (2981, 5676), (3252, 5203)]