20228908

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 42223104

約数和(自身を除く): 21994196

約数列:

[1, 2, 4, 7, 14, 28, 41, 67, 82, 134, 164, 263, 268, 287, 469, 526, 574, 938, 1052, 1148, 1841, 1876, 2747, 3682, 5494, 7364, 10783, 10988, 17621, 19229, 21566, 35242, 38458, 43132, 70484, 75481, 76916, 123347, 150962, 246694, 301924, 493388, 722461, 1444922, 2889844, 5057227, 10114454, 20228908]

約数ペア:

[(1, 20228908), (2, 10114454), (4, 5057227), (7, 2889844), (14, 1444922), (28, 722461), (41, 493388), (67, 301924), (82, 246694), (134, 150962), (164, 123347), (263, 76916), (268, 75481), (287, 70484), (469, 43132), (526, 38458), (574, 35242), (938, 21566), (1052, 19229), (1148, 17621), (1841, 10988), (1876, 10783), (2747, 7364), (3682, 5494)]