20171929904

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{953}}^1\times {\mathrm{11117}}^1$

素因数の和:12102

約数の個数: 80

約数和(自身を含む): 47347737408

約数和(自身を除く): 27175807504

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 953, 1904, 1906, 3812, 6671, 7624, 11117, 13342, 15248, 16201, 22234, 26684, 32402, 44468, 53368, 64804, 77819, 88936, 106736, 113407, 129608, 155638, 177872, 188989, 226814, 259216, 311276, 377978, 453628, 622552, 755956, 907256, 1245104, 1322923, 1511912, 1814512, 2645846, 3023824, 5291692, 10583384, 10594501, 21166768, 21189002, 42378004, 74161507, 84756008, 148323014, 169512016, 180106517, 296646028, 360213034, 593292056, 720426068, 1186584112, 1260745619, 1440852136, 2521491238, 2881704272, 5042982476, 10085964952, 20171929904]

約数ペア:

[(1, 20171929904), (2, 10085964952), (4, 5042982476), (7, 2881704272), (8, 2521491238), (14, 1440852136), (16, 1260745619), (17, 1186584112), (28, 720426068), (34, 593292056), (56, 360213034), (68, 296646028), (112, 180106517), (119, 169512016), (136, 148323014), (238, 84756008), (272, 74161507), (476, 42378004), (952, 21189002), (953, 21166768), (1904, 10594501), (1906, 10583384), (3812, 5291692), (6671, 3023824), (7624, 2645846), (11117, 1814512), (13342, 1511912), (15248, 1322923), (16201, 1245104), (22234, 907256), (26684, 755956), (32402, 622552), (44468, 453628), (53368, 377978), (64804, 311276), (77819, 259216), (88936, 226814), (106736, 188989), (113407, 177872), (129608, 155638)]