20186862759

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:570

約数の個数: 144

約数和(自身を含む): 36761662080

約数和(自身を除く): 16574799321

約数列:

[1, 3, 7, 9, 19, 21, 49, 53, 57, 63, 131, 133, 147, 159, 171, 347, 371, 393, 399, 441, 477, 917, 931, 1007, 1041, 1113, 1179, 1197, 2429, 2489, 2597, 2751, 2793, 3021, 3123, 3339, 6419, 6593, 6943, 7049, 7287, 7467, 7791, 8253, 8379, 9063, 17003, 17423, 18391, 19257, 19779, 20829, 21147, 21861, 22401, 23373, 45457, 46151, 48601, 49343, 51009, 52269, 55173, 57771, 59337, 62487, 63441, 121961, 128737, 131917, 136371, 138453, 145803, 148029, 153027, 156807, 165519, 318199, 323057, 340207, 349429, 365883, 386211, 395751, 409113, 415359, 437409, 444087, 863683, 901159, 923419, 954597, 969171, 1020621, 1048287, 1097649, 1158633, 1187253, 2227393, 2409221, 2446003, 2591049, 2703477, 2770257, 2863791, 2907513, 3061863, 3144861, 6045781, 6463933, 6682179, 7227663, 7338009, 7773147, 8110431, 8310771, 16864547, 17122021, 18137343, 19391799, 20046537, 21682989, 22014027, 42320467, 45775199, 50593641, 51366063, 54412029, 58175397, 118051829, 126961401, 137325597, 151780923, 154098189, 320426393, 354155487, 380884203, 411976791, 961279179, 1062466461, 2242984751, 2883837537, 6728954253, 20186862759]

約数ペア:

[(1, 20186862759), (3, 6728954253), (7, 2883837537), (9, 2242984751), (19, 1062466461), (21, 961279179), (49, 411976791), (53, 380884203), (57, 354155487), (63, 320426393), (131, 154098189), (133, 151780923), (147, 137325597), (159, 126961401), (171, 118051829), (347, 58175397), (371, 54412029), (393, 51366063), (399, 50593641), (441, 45775199), (477, 42320467), (917, 22014027), (931, 21682989), (1007, 20046537), (1041, 19391799), (1113, 18137343), (1179, 17122021), (1197, 16864547), (2429, 8310771), (2489, 8110431), (2597, 7773147), (2751, 7338009), (2793, 7227663), (3021, 6682179), (3123, 6463933), (3339, 6045781), (6419, 3144861), (6593, 3061863), (6943, 2907513), (7049, 2863791), (7287, 2770257), (7467, 2703477), (7791, 2591049), (8253, 2446003), (8379, 2409221), (9063, 2227393), (17003, 1187253), (17423, 1158633), (18391, 1097649), (19257, 1048287), (19779, 1020621), (20829, 969171), (21147, 954597), (21861, 923419), (22401, 901159), (23373, 863683), (45457, 444087), (46151, 437409), (48601, 415359), (49343, 409113), (51009, 395751), (52269, 386211), (55173, 365883), (57771, 349429), (59337, 340207), (62487, 323057), (63441, 318199), (121961, 165519), (128737, 156807), (131917, 153027), (136371, 148029), (138453, 145803)]