20175554

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{8951}}^1$

素因数の和:8990

約数の個数: 24

約数和(自身を含む): 36739008

約数和(自身を除く): 16563454

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 8951, 17902, 62657, 125314, 205873, 411746, 438599, 877198, 1441111, 2882222, 10087777, 20175554]

約数ペア:

[(1, 20175554), (2, 10087777), (7, 2882222), (14, 1441111), (23, 877198), (46, 438599), (49, 411746), (98, 205873), (161, 125314), (322, 62657), (1127, 17902), (2254, 8951)]