20117564859

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3109}}^1\times {\mathrm{13397}}^1$

素因数の和:16539

約数の個数: 32

約数和(自身を含む): 32000855040

約数和(自身を除く): 11883290181

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 3109, 9327, 13397, 21763, 40191, 65289, 71507, 93779, 214521, 281337, 308131, 500549, 924393, 1501647, 2156917, 6470751, 41651273, 124953819, 291558911, 874676733, 957979279, 2873937837, 6705854953, 20117564859]

約数ペア:

[(1, 20117564859), (3, 6705854953), (7, 2873937837), (21, 957979279), (23, 874676733), (69, 291558911), (161, 124953819), (483, 41651273), (3109, 6470751), (9327, 2156917), (13397, 1501647), (21763, 924393), (40191, 500549), (65289, 308131), (71507, 281337), (93779, 214521)]