20770496

素因数分解:

$2^6\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:110

約数の個数: 84

約数和(自身を含む): 46451520

約数和(自身を除く): 25681024

約数列:

[1, 2, 4, 8, 16, 19, 29, 31, 32, 38, 58, 62, 64, 76, 116, 124, 152, 232, 248, 304, 361, 464, 496, 551, 589, 608, 722, 899, 928, 992, 1102, 1178, 1216, 1444, 1798, 1856, 1984, 2204, 2356, 2888, 3596, 4408, 4712, 5776, 7192, 8816, 9424, 10469, 11191, 11552, 14384, 17081, 17632, 18848, 20938, 22382, 23104, 28768, 34162, 35264, 37696, 41876, 44764, 57536, 68324, 83752, 89528, 136648, 167504, 179056, 273296, 324539, 335008, 358112, 546592, 649078, 670016, 716224, 1093184, 1298156, 2596312, 5192624, 10385248, 20770496]

約数ペア:

[(1, 20770496), (2, 10385248), (4, 5192624), (8, 2596312), (16, 1298156), (19, 1093184), (29, 716224), (31, 670016), (32, 649078), (38, 546592), (58, 358112), (62, 335008), (64, 324539), (76, 273296), (116, 179056), (124, 167504), (152, 136648), (232, 89528), (248, 83752), (304, 68324), (361, 57536), (464, 44764), (496, 41876), (551, 37696), (589, 35264), (608, 34162), (722, 28768), (899, 23104), (928, 22382), (992, 20938), (1102, 18848), (1178, 17632), (1216, 17081), (1444, 14384), (1798, 11552), (1856, 11191), (1984, 10469), (2204, 9424), (2356, 8816), (2888, 7192), (3596, 5776), (4408, 4712)]