20126077923

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1\times {\mathrm{827}}^1$

素因数の和:1404

約数の個数: 64

約数和(自身を含む): 32192640000

約数和(自身を除く): 12066562077

約数列:

[1, 3, 7, 21, 29, 87, 89, 203, 267, 449, 609, 623, 827, 1347, 1869, 2481, 2581, 3143, 5789, 7743, 9429, 13021, 17367, 18067, 23983, 39063, 39961, 54201, 71949, 73603, 91147, 119883, 167881, 220809, 273441, 279727, 371323, 503643, 515221, 839181, 1113969, 1158869, 1545663, 2134487, 2599261, 3476607, 6403461, 7797783, 8112083, 10768367, 14941409, 24336249, 32305101, 33047747, 44824227, 75378569, 99143241, 226135707, 231334229, 694002687, 958384663, 2875153989, 6708692641, 20126077923]

約数ペア:

[(1, 20126077923), (3, 6708692641), (7, 2875153989), (21, 958384663), (29, 694002687), (87, 231334229), (89, 226135707), (203, 99143241), (267, 75378569), (449, 44824227), (609, 33047747), (623, 32305101), (827, 24336249), (1347, 14941409), (1869, 10768367), (2481, 8112083), (2581, 7797783), (3143, 6403461), (5789, 3476607), (7743, 2599261), (9429, 2134487), (13021, 1545663), (17367, 1158869), (18067, 1113969), (23983, 839181), (39063, 515221), (39961, 503643), (54201, 371323), (71949, 279727), (73603, 273441), (91147, 220809), (119883, 167881)]