20227048

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 38880000

約数和(自身を除く): 18652952

約数列:

[1, 2, 4, 8, 71, 142, 149, 239, 284, 298, 478, 568, 596, 956, 1192, 1912, 10579, 16969, 21158, 33938, 35611, 42316, 67876, 71222, 84632, 135752, 142444, 284888, 2528381, 5056762, 10113524, 20227048]

約数ペア:

[(1, 20227048), (2, 10113524), (4, 5056762), (8, 2528381), (71, 284888), (142, 142444), (149, 135752), (239, 84632), (284, 71222), (298, 67876), (478, 42316), (568, 35611), (596, 33938), (956, 21158), (1192, 16969), (1912, 10579)]