20199451756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{33679}}^1$

素因数の和:34054

約数の個数: 48

約数和(自身を含む): 39585047040

約数和(自身を除く): 19385595284

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 317, 473, 634, 946, 1268, 1892, 3487, 6974, 13631, 13948, 27262, 33679, 54524, 67358, 134716, 149941, 299882, 370469, 599764, 740938, 1448197, 1481876, 2896394, 5792788, 10676243, 15930167, 21352486, 31860334, 42704972, 63720668, 117438673, 234877346, 459078449, 469754692, 918156898, 1836313796, 5049862939, 10099725878, 20199451756]

約数ペア:

[(1, 20199451756), (2, 10099725878), (4, 5049862939), (11, 1836313796), (22, 918156898), (43, 469754692), (44, 459078449), (86, 234877346), (172, 117438673), (317, 63720668), (473, 42704972), (634, 31860334), (946, 21352486), (1268, 15930167), (1892, 10676243), (3487, 5792788), (6974, 2896394), (13631, 1481876), (13948, 1448197), (27262, 740938), (33679, 599764), (54524, 370469), (67358, 299882), (134716, 149941)]