20174821737

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{967}}^1\times {\mathrm{52289}}^1$

素因数の和:53285

約数の個数: 32

約数和(自身を含む): 32394700800

約数和(自身を除く): 12219879063

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 967, 2901, 6769, 18373, 20307, 52289, 55119, 128611, 156867, 366023, 385833, 993491, 1098069, 2980473, 6954437, 20863311, 50563463, 151690389, 353944241, 960705797, 1061832723, 2882117391, 6724940579, 20174821737]

約数ペア:

[(1, 20174821737), (3, 6724940579), (7, 2882117391), (19, 1061832723), (21, 960705797), (57, 353944241), (133, 151690389), (399, 50563463), (967, 20863311), (2901, 6954437), (6769, 2980473), (18373, 1098069), (20307, 993491), (52289, 385833), (55119, 366023), (128611, 156867)]