20255872

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 128

約数和(自身を含む): 52093440

約数和(自身を除く): 31837568

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 37, 47, 52, 56, 64, 74, 91, 94, 104, 112, 128, 148, 182, 188, 208, 224, 259, 296, 329, 364, 376, 416, 448, 481, 518, 592, 611, 658, 728, 752, 832, 896, 962, 1036, 1184, 1222, 1316, 1456, 1504, 1664, 1739, 1924, 2072, 2368, 2444, 2632, 2912, 3008, 3367, 3478, 3848, 4144, 4277, 4736, 4888, 5264, 5824, 6016, 6734, 6956, 7696, 8288, 8554, 9776, 10528, 11648, 12173, 13468, 13912, 15392, 16576, 17108, 19552, 21056, 22607, 24346, 26936, 27824, 30784, 33152, 34216, 39104, 42112, 45214, 48692, 53872, 55648, 61568, 68432, 78208, 90428, 97384, 107744, 111296, 136864, 158249, 180856, 194768, 215488, 222592, 273728, 316498, 361712, 389536, 430976, 547456, 632996, 723424, 779072, 1265992, 1446848, 1558144, 2531984, 2893696, 5063968, 10127936, 20255872]

約数ペア:

[(1, 20255872), (2, 10127936), (4, 5063968), (7, 2893696), (8, 2531984), (13, 1558144), (14, 1446848), (16, 1265992), (26, 779072), (28, 723424), (32, 632996), (37, 547456), (47, 430976), (52, 389536), (56, 361712), (64, 316498), (74, 273728), (91, 222592), (94, 215488), (104, 194768), (112, 180856), (128, 158249), (148, 136864), (182, 111296), (188, 107744), (208, 97384), (224, 90428), (259, 78208), (296, 68432), (329, 61568), (364, 55648), (376, 53872), (416, 48692), (448, 45214), (481, 42112), (518, 39104), (592, 34216), (611, 33152), (658, 30784), (728, 27824), (752, 26936), (832, 24346), (896, 22607), (962, 21056), (1036, 19552), (1184, 17108), (1222, 16576), (1316, 15392), (1456, 13912), (1504, 13468), (1664, 12173), (1739, 11648), (1924, 10528), (2072, 9776), (2368, 8554), (2444, 8288), (2632, 7696), (2912, 6956), (3008, 6734), (3367, 6016), (3478, 5824), (3848, 5264), (4144, 4888), (4277, 4736)]