20520897008637

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1\times {\mathrm{1031}}^1\times {\mathrm{22157}}^1$

素因数の和:23538

約数の個数: 64

約数和(自身を含む): 29293247545344

約数和(自身を除く): 8772350536707

約数列:

[1, 3, 23, 47, 69, 141, 277, 831, 1031, 1081, 3093, 3243, 6371, 13019, 19113, 22157, 23713, 39057, 48457, 66471, 71139, 145371, 285587, 299437, 509611, 856761, 898311, 1041379, 1114511, 1528833, 3124137, 3343533, 6137489, 6568501, 13422589, 18412467, 19705503, 22843867, 23951717, 40267767, 68531601, 71855151, 141162247, 288461983, 308719547, 423486741, 525408941, 865385949, 926158641, 1073661749, 1576226823, 3220985247, 6327751159, 6634625609, 18983253477, 19903876827, 24694220227, 74082660681, 145538276657, 297404304473, 436614829971, 892212913419, 6840299002879, 20520897008637]

約数ペア:

[(1, 20520897008637), (3, 6840299002879), (23, 892212913419), (47, 436614829971), (69, 297404304473), (141, 145538276657), (277, 74082660681), (831, 24694220227), (1031, 19903876827), (1081, 18983253477), (3093, 6634625609), (3243, 6327751159), (6371, 3220985247), (13019, 1576226823), (19113, 1073661749), (22157, 926158641), (23713, 865385949), (39057, 525408941), (48457, 423486741), (66471, 308719547), (71139, 288461983), (145371, 141162247), (285587, 71855151), (299437, 68531601), (509611, 40267767), (856761, 23951717), (898311, 22843867), (1041379, 19705503), (1114511, 18412467), (1528833, 13422589), (3124137, 6568501), (3343533, 6137489)]