20186893168

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{10711}}^1$

素因数の和:10803

約数の個数: 120

約数和(自身を含む): 45941497056

約数和(自身を除く): 25754603888

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 41, 52, 68, 82, 104, 136, 164, 169, 208, 221, 272, 328, 338, 442, 533, 656, 676, 697, 884, 1066, 1352, 1394, 1768, 2132, 2704, 2788, 2873, 3536, 4264, 5576, 5746, 6929, 8528, 9061, 10711, 11152, 11492, 13858, 18122, 21422, 22984, 27716, 36244, 42844, 45968, 55432, 72488, 85688, 110864, 117793, 139243, 144976, 171376, 182087, 235586, 278486, 364174, 439151, 471172, 556972, 728348, 878302, 942344, 1113944, 1456696, 1756604, 1810159, 1884688, 2227888, 2367131, 2913392, 3513208, 3620318, 4734262, 5708963, 7026416, 7240636, 7465567, 9468524, 11417926, 14481272, 14931134, 18937048, 22835852, 28962544, 29862268, 30772703, 37874096, 45671704, 59724536, 61545406, 74216519, 91343408, 97052371, 119449072, 123090812, 148433038, 194104742, 246181624, 296866076, 388209484, 492363248, 593732152, 776418968, 1187464304, 1261680823, 1552837936, 2523361646, 5046723292, 10093446584, 20186893168]

約数ペア:

[(1, 20186893168), (2, 10093446584), (4, 5046723292), (8, 2523361646), (13, 1552837936), (16, 1261680823), (17, 1187464304), (26, 776418968), (34, 593732152), (41, 492363248), (52, 388209484), (68, 296866076), (82, 246181624), (104, 194104742), (136, 148433038), (164, 123090812), (169, 119449072), (208, 97052371), (221, 91343408), (272, 74216519), (328, 61545406), (338, 59724536), (442, 45671704), (533, 37874096), (656, 30772703), (676, 29862268), (697, 28962544), (884, 22835852), (1066, 18937048), (1352, 14931134), (1394, 14481272), (1768, 11417926), (2132, 9468524), (2704, 7465567), (2788, 7240636), (2873, 7026416), (3536, 5708963), (4264, 4734262), (5576, 3620318), (5746, 3513208), (6929, 2913392), (8528, 2367131), (9061, 2227888), (10711, 1884688), (11152, 1810159), (11492, 1756604), (13858, 1456696), (18122, 1113944), (21422, 942344), (22984, 878302), (27716, 728348), (36244, 556972), (42844, 471172), (45968, 439151), (55432, 364174), (72488, 278486), (85688, 235586), (110864, 182087), (117793, 171376), (139243, 144976)]