20177887724

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{641}}^1$

素因数の和:939

約数の個数: 96

約数和(自身を含む): 39294097920

約数和(自身を除く): 19116210196

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 109, 124, 137, 218, 274, 436, 527, 548, 641, 1054, 1282, 1853, 2108, 2329, 2564, 3379, 3706, 4247, 4658, 6758, 7412, 8494, 9316, 10897, 13516, 14933, 16988, 19871, 21794, 29866, 39742, 43588, 57443, 59732, 69869, 72199, 79484, 87817, 114886, 139738, 144398, 175634, 229772, 253861, 279476, 288796, 337807, 351268, 462923, 507722, 675614, 925846, 1015444, 1187773, 1351228, 1492889, 1851692, 2165939, 2375546, 2722327, 2985778, 4331878, 4751092, 5444654, 5971556, 7869691, 8663756, 9572053, 10889308, 15739382, 19144106, 31478764, 36820963, 38288212, 46279559, 73641926, 92559118, 147283852, 162724901, 185118236, 296733643, 325449802, 593467286, 650899604, 1186934572, 5044471931, 10088943862, 20177887724]

約数ペア:

[(1, 20177887724), (2, 10088943862), (4, 5044471931), (17, 1186934572), (31, 650899604), (34, 593467286), (62, 325449802), (68, 296733643), (109, 185118236), (124, 162724901), (137, 147283852), (218, 92559118), (274, 73641926), (436, 46279559), (527, 38288212), (548, 36820963), (641, 31478764), (1054, 19144106), (1282, 15739382), (1853, 10889308), (2108, 9572053), (2329, 8663756), (2564, 7869691), (3379, 5971556), (3706, 5444654), (4247, 4751092), (4658, 4331878), (6758, 2985778), (7412, 2722327), (8494, 2375546), (9316, 2165939), (10897, 1851692), (13516, 1492889), (14933, 1351228), (16988, 1187773), (19871, 1015444), (21794, 925846), (29866, 675614), (39742, 507722), (43588, 462923), (57443, 351268), (59732, 337807), (69869, 288796), (72199, 279476), (79484, 253861), (87817, 229772), (114886, 175634), (139738, 144398)]