20881152

素因数分解:

$2^8\times 3^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:100

約数の個数: 180

約数和(自身を含む): 66777480

約数和(自身を除く): 45896328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 53, 54, 57, 64, 72, 76, 81, 96, 106, 108, 114, 128, 144, 152, 159, 162, 171, 192, 212, 216, 228, 256, 288, 304, 318, 324, 342, 384, 424, 432, 456, 477, 513, 576, 608, 636, 648, 684, 768, 848, 864, 912, 954, 1007, 1026, 1152, 1216, 1272, 1296, 1368, 1431, 1539, 1696, 1728, 1824, 1908, 2014, 2052, 2304, 2432, 2544, 2592, 2736, 2862, 3021, 3078, 3392, 3456, 3648, 3816, 4028, 4104, 4293, 4864, 5088, 5184, 5472, 5724, 6042, 6156, 6784, 6912, 7296, 7632, 8056, 8208, 8586, 9063, 10176, 10368, 10944, 11448, 12084, 12312, 13568, 14592, 15264, 16112, 16416, 17172, 18126, 20352, 20736, 21888, 22896, 24168, 24624, 27189, 30528, 32224, 32832, 34344, 36252, 40704, 43776, 45792, 48336, 49248, 54378, 61056, 64448, 65664, 68688, 72504, 81567, 91584, 96672, 98496, 108756, 122112, 128896, 131328, 137376, 145008, 163134, 183168, 193344, 196992, 217512, 257792, 274752, 290016, 326268, 366336, 386688, 393984, 435024, 549504, 580032, 652536, 773376, 870048, 1099008, 1160064, 1305072, 1740096, 2320128, 2610144, 3480192, 5220288, 6960384, 10440576, 20881152]

約数ペア:

[(1, 20881152), (2, 10440576), (3, 6960384), (4, 5220288), (6, 3480192), (8, 2610144), (9, 2320128), (12, 1740096), (16, 1305072), (18, 1160064), (19, 1099008), (24, 870048), (27, 773376), (32, 652536), (36, 580032), (38, 549504), (48, 435024), (53, 393984), (54, 386688), (57, 366336), (64, 326268), (72, 290016), (76, 274752), (81, 257792), (96, 217512), (106, 196992), (108, 193344), (114, 183168), (128, 163134), (144, 145008), (152, 137376), (159, 131328), (162, 128896), (171, 122112), (192, 108756), (212, 98496), (216, 96672), (228, 91584), (256, 81567), (288, 72504), (304, 68688), (318, 65664), (324, 64448), (342, 61056), (384, 54378), (424, 49248), (432, 48336), (456, 45792), (477, 43776), (513, 40704), (576, 36252), (608, 34344), (636, 32832), (648, 32224), (684, 30528), (768, 27189), (848, 24624), (864, 24168), (912, 22896), (954, 21888), (1007, 20736), (1026, 20352), (1152, 18126), (1216, 17172), (1272, 16416), (1296, 16112), (1368, 15264), (1431, 14592), (1539, 13568), (1696, 12312), (1728, 12084), (1824, 11448), (1908, 10944), (2014, 10368), (2052, 10176), (2304, 9063), (2432, 8586), (2544, 8208), (2592, 8056), (2736, 7632), (2862, 7296), (3021, 6912), (3078, 6784), (3392, 6156), (3456, 6042), (3648, 5724), (3816, 5472), (4028, 5184), (4104, 5088), (4293, 4864)]