20278192

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{137}}^1$

素因数の和:214

約数の個数: 60

約数和(自身を含む): 44713656

約数和(自身を除く): 24435464

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 116, 137, 176, 232, 274, 319, 464, 548, 638, 841, 1096, 1276, 1507, 1682, 2192, 2552, 3014, 3364, 3973, 5104, 6028, 6728, 7946, 9251, 12056, 13456, 15892, 18502, 24112, 31784, 37004, 43703, 63568, 74008, 87406, 115217, 148016, 174812, 230434, 349624, 460868, 699248, 921736, 1267387, 1843472, 2534774, 5069548, 10139096, 20278192]

約数ペア:

[(1, 20278192), (2, 10139096), (4, 5069548), (8, 2534774), (11, 1843472), (16, 1267387), (22, 921736), (29, 699248), (44, 460868), (58, 349624), (88, 230434), (116, 174812), (137, 148016), (176, 115217), (232, 87406), (274, 74008), (319, 63568), (464, 43703), (548, 37004), (638, 31784), (841, 24112), (1096, 18502), (1276, 15892), (1507, 13456), (1682, 12056), (2192, 9251), (2552, 7946), (3014, 6728), (3364, 6028), (3973, 5104)]