20161472384

素因数分解:

$2^7\times {\mathrm{137}}^1\times {\mathrm{647}}^1\times {\mathrm{1777}}^1$

素因数の和:2575

約数の個数: 64

約数和(自身を含む): 40543947360

約数和(自身を除く): 20382474976

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 137, 274, 548, 647, 1096, 1294, 1777, 2192, 2588, 3554, 4384, 5176, 7108, 8768, 10352, 14216, 17536, 20704, 28432, 41408, 56864, 82816, 88639, 113728, 177278, 227456, 243449, 354556, 486898, 709112, 973796, 1149719, 1418224, 1947592, 2299438, 2836448, 3895184, 4598876, 5672896, 7790368, 9197752, 11345792, 15580736, 18395504, 31161472, 36791008, 73582016, 147164032, 157511503, 315023006, 630046012, 1260092024, 2520184048, 5040368096, 10080736192, 20161472384]

約数ペア:

[(1, 20161472384), (2, 10080736192), (4, 5040368096), (8, 2520184048), (16, 1260092024), (32, 630046012), (64, 315023006), (128, 157511503), (137, 147164032), (274, 73582016), (548, 36791008), (647, 31161472), (1096, 18395504), (1294, 15580736), (1777, 11345792), (2192, 9197752), (2588, 7790368), (3554, 5672896), (4384, 4598876), (5176, 3895184), (7108, 2836448), (8768, 2299438), (10352, 1947592), (14216, 1418224), (17536, 1149719), (20704, 973796), (28432, 709112), (41408, 486898), (56864, 354556), (82816, 243449), (88639, 227456), (113728, 177278)]