20199609325

素因数分解:

$5^2\times 7^2\times {\mathrm{1483}}^1\times {\mathrm{11119}}^1$

素因数の和:12626

約数の個数: 36

約数和(自身を含む): 29159175360

約数和(自身を除く): 8959566035

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 1483, 7415, 10381, 11119, 37075, 51905, 55595, 72667, 77833, 259525, 277975, 363335, 389165, 544831, 1816675, 1945825, 2724155, 13620775, 16489477, 82447385, 115426339, 412236925, 577131695, 807984373, 2885658475, 4039921865, 20199609325]

約数ペア:

[(1, 20199609325), (5, 4039921865), (7, 2885658475), (25, 807984373), (35, 577131695), (49, 412236925), (175, 115426339), (245, 82447385), (1225, 16489477), (1483, 13620775), (7415, 2724155), (10381, 1945825), (11119, 1816675), (37075, 544831), (51905, 389165), (55595, 363335), (72667, 277975), (77833, 259525)]