20487440340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3924797}}^1$

素因数の和:3924841

約数の個数: 72

約数和(自身を含む): 64288191240

約数和(自身を除く): 43800750900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 3924797, 7849594, 11774391, 15699188, 19623985, 23548782, 35323173, 39247970, 47097564, 58871955, 70646346, 78495940, 113819113, 117743910, 141292692, 176615865, 227638226, 235487820, 341457339, 353231730, 455276452, 569095565, 682914678, 706463460, 1024372017, 1138191130, 1365829356, 1707286695, 2048744034, 2276382260, 3414573390, 4097488068, 5121860085, 6829146780, 10243720170, 20487440340]

約数ペア:

[(1, 20487440340), (2, 10243720170), (3, 6829146780), (4, 5121860085), (5, 4097488068), (6, 3414573390), (9, 2276382260), (10, 2048744034), (12, 1707286695), (15, 1365829356), (18, 1138191130), (20, 1024372017), (29, 706463460), (30, 682914678), (36, 569095565), (45, 455276452), (58, 353231730), (60, 341457339), (87, 235487820), (90, 227638226), (116, 176615865), (145, 141292692), (174, 117743910), (180, 113819113), (261, 78495940), (290, 70646346), (348, 58871955), (435, 47097564), (522, 39247970), (580, 35323173), (870, 23548782), (1044, 19623985), (1305, 15699188), (1740, 11774391), (2610, 7849594), (5220, 3924797)]