20268896

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:136

約数の個数: 96

約数和(自身を含む): 46539360

約数和(自身を除く): 26270464

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 37, 38, 53, 68, 74, 76, 106, 136, 148, 152, 212, 272, 296, 304, 323, 424, 544, 592, 608, 629, 646, 703, 848, 901, 1007, 1184, 1258, 1292, 1406, 1696, 1802, 1961, 2014, 2516, 2584, 2812, 3604, 3922, 4028, 5032, 5168, 5624, 7208, 7844, 8056, 10064, 10336, 11248, 11951, 14416, 15688, 16112, 17119, 20128, 22496, 23902, 28832, 31376, 32224, 33337, 34238, 37259, 47804, 62752, 66674, 68476, 74518, 95608, 133348, 136952, 149036, 191216, 266696, 273904, 298072, 382432, 533392, 547808, 596144, 633403, 1066784, 1192288, 1266806, 2533612, 5067224, 10134448, 20268896]

約数ペア:

[(1, 20268896), (2, 10134448), (4, 5067224), (8, 2533612), (16, 1266806), (17, 1192288), (19, 1066784), (32, 633403), (34, 596144), (37, 547808), (38, 533392), (53, 382432), (68, 298072), (74, 273904), (76, 266696), (106, 191216), (136, 149036), (148, 136952), (152, 133348), (212, 95608), (272, 74518), (296, 68476), (304, 66674), (323, 62752), (424, 47804), (544, 37259), (592, 34238), (608, 33337), (629, 32224), (646, 31376), (703, 28832), (848, 23902), (901, 22496), (1007, 20128), (1184, 17119), (1258, 16112), (1292, 15688), (1406, 14416), (1696, 11951), (1802, 11248), (1961, 10336), (2014, 10064), (2516, 8056), (2584, 7844), (2812, 7208), (3604, 5624), (3922, 5168), (4028, 5032)]