20446213775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{16127}}^1$

素因数の和:16280

約数の個数: 48

約数和(自身を含む): 28222193664

約数和(自身を除く): 7775979889

約数列:

[1, 5, 13, 25, 47, 65, 83, 235, 325, 415, 611, 1079, 1175, 2075, 3055, 3901, 5395, 15275, 16127, 19505, 26975, 50713, 80635, 97525, 209651, 253565, 403175, 757969, 1048255, 1267825, 1338541, 3789845, 5241275, 6692705, 9853597, 17401033, 18949225, 33463525, 49267985, 62911427, 87005165, 246339925, 314557135, 435025825, 817848551, 1572785675, 4089242755, 20446213775]

約数ペア:

[(1, 20446213775), (5, 4089242755), (13, 1572785675), (25, 817848551), (47, 435025825), (65, 314557135), (83, 246339925), (235, 87005165), (325, 62911427), (415, 49267985), (611, 33463525), (1079, 18949225), (1175, 17401033), (2075, 9853597), (3055, 6692705), (3901, 5241275), (5395, 3789845), (15275, 1338541), (16127, 1267825), (19505, 1048255), (26975, 757969), (50713, 403175), (80635, 253565), (97525, 209651)]