20753568

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{6551}}^1$

素因数の和:6578

約数の個数: 72

約数和(自身を含む): 64393056

約数和(自身を除く): 43639488

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 132, 144, 176, 198, 264, 288, 352, 396, 528, 792, 1056, 1584, 3168, 6551, 13102, 19653, 26204, 39306, 52408, 58959, 72061, 78612, 104816, 117918, 144122, 157224, 209632, 216183, 235836, 288244, 314448, 432366, 471672, 576488, 628896, 648549, 864732, 943344, 1152976, 1297098, 1729464, 1886688, 2305952, 2594196, 3458928, 5188392, 6917856, 10376784, 20753568]

約数ペア:

[(1, 20753568), (2, 10376784), (3, 6917856), (4, 5188392), (6, 3458928), (8, 2594196), (9, 2305952), (11, 1886688), (12, 1729464), (16, 1297098), (18, 1152976), (22, 943344), (24, 864732), (32, 648549), (33, 628896), (36, 576488), (44, 471672), (48, 432366), (66, 314448), (72, 288244), (88, 235836), (96, 216183), (99, 209632), (132, 157224), (144, 144122), (176, 117918), (198, 104816), (264, 78612), (288, 72061), (352, 58959), (396, 52408), (528, 39306), (792, 26204), (1056, 19653), (1584, 13102), (3168, 6551)]