20161183808

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{45569}}^1$

素因数の和:45835

約数の個数: 56

約数和(自身を含む): 41484011520

約数和(自身を除く): 21322827712

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 223, 248, 446, 496, 892, 992, 1784, 1984, 3568, 6913, 7136, 13826, 14272, 27652, 45569, 55304, 91138, 110608, 182276, 221216, 364552, 442432, 729104, 1412639, 1458208, 2825278, 2916416, 5650556, 10161887, 11301112, 20323774, 22602224, 40647548, 45204448, 81295096, 90408896, 162590192, 315018497, 325180384, 630036994, 650360768, 1260073988, 2520147976, 5040295952, 10080591904, 20161183808]

約数ペア:

[(1, 20161183808), (2, 10080591904), (4, 5040295952), (8, 2520147976), (16, 1260073988), (31, 650360768), (32, 630036994), (62, 325180384), (64, 315018497), (124, 162590192), (223, 90408896), (248, 81295096), (446, 45204448), (496, 40647548), (892, 22602224), (992, 20323774), (1784, 11301112), (1984, 10161887), (3568, 5650556), (6913, 2916416), (7136, 2825278), (13826, 1458208), (14272, 1412639), (27652, 729104), (45569, 442432), (55304, 364552), (91138, 221216), (110608, 182276)]