20105997771

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{58217}}^1$

素因数の和:58395

約数の個数: 32

約数和(自身を含む): 28950647040

約数和(自身を除く): 8844649269

約数列:

[1, 3, 19, 57, 73, 83, 219, 249, 1387, 1577, 4161, 4731, 6059, 18177, 58217, 115121, 174651, 345363, 1106123, 3318369, 4249841, 4832011, 12749523, 14496033, 80746979, 91808209, 242240937, 275424627, 352736803, 1058210409, 6701999257, 20105997771]

約数ペア:

[(1, 20105997771), (3, 6701999257), (19, 1058210409), (57, 352736803), (73, 275424627), (83, 242240937), (219, 91808209), (249, 80746979), (1387, 14496033), (1577, 12749523), (4161, 4832011), (4731, 4249841), (6059, 3318369), (18177, 1106123), (58217, 345363), (115121, 174651)]