20847332

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2267}}^1$

素因数の和:2312

約数の個数: 36

約数和(自身を含む): 42230160

約数和(自身を除く): 21382828

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 209, 242, 418, 484, 836, 2267, 2299, 4534, 4598, 9068, 9196, 24937, 43073, 49874, 86146, 99748, 172292, 274307, 473803, 548614, 947606, 1097228, 1895212, 5211833, 10423666, 20847332]

約数ペア:

[(1, 20847332), (2, 10423666), (4, 5211833), (11, 1895212), (19, 1097228), (22, 947606), (38, 548614), (44, 473803), (76, 274307), (121, 172292), (209, 99748), (242, 86146), (418, 49874), (484, 43073), (836, 24937), (2267, 9196), (2299, 9068), (4534, 4598)]