20874656

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1913}}^1$

素因数の和:1965

約数の個数: 48

約数和(自身を含む): 46303488

約数和(自身を除く): 25428832

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 88, 124, 176, 248, 341, 352, 496, 682, 992, 1364, 1913, 2728, 3826, 5456, 7652, 10912, 15304, 21043, 30608, 42086, 59303, 61216, 84172, 118606, 168344, 237212, 336688, 474424, 652333, 673376, 948848, 1304666, 1897696, 2609332, 5218664, 10437328, 20874656]

約数ペア:

[(1, 20874656), (2, 10437328), (4, 5218664), (8, 2609332), (11, 1897696), (16, 1304666), (22, 948848), (31, 673376), (32, 652333), (44, 474424), (62, 336688), (88, 237212), (124, 168344), (176, 118606), (248, 84172), (341, 61216), (352, 59303), (496, 42086), (682, 30608), (992, 21043), (1364, 15304), (1913, 10912), (2728, 7652), (3826, 5456)]