20664512

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:369

約数の個数: 56

約数和(自身を含む): 45262800

約数和(自身を除く): 24598288

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 149, 176, 197, 298, 352, 394, 596, 704, 788, 1192, 1576, 1639, 2167, 2384, 3152, 3278, 4334, 4768, 6304, 6556, 8668, 9536, 12608, 13112, 17336, 26224, 29353, 34672, 52448, 58706, 69344, 104896, 117412, 138688, 234824, 322883, 469648, 645766, 939296, 1291532, 1878592, 2583064, 5166128, 10332256, 20664512]

約数ペア:

[(1, 20664512), (2, 10332256), (4, 5166128), (8, 2583064), (11, 1878592), (16, 1291532), (22, 939296), (32, 645766), (44, 469648), (64, 322883), (88, 234824), (149, 138688), (176, 117412), (197, 104896), (298, 69344), (352, 58706), (394, 52448), (596, 34672), (704, 29353), (788, 26224), (1192, 17336), (1576, 13112), (1639, 12608), (2167, 9536), (2384, 8668), (3152, 6556), (3278, 6304), (4334, 4768)]