20454819

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1213}}^1$

素因数の和:1307

約数の個数: 32

約数和(自身を含む): 34497024

約数和(自身を除く): 14042205

約数列:

[1, 3, 7, 11, 21, 33, 73, 77, 219, 231, 511, 803, 1213, 1533, 2409, 3639, 5621, 8491, 13343, 16863, 25473, 40029, 88549, 93401, 265647, 280203, 619843, 974039, 1859529, 2922117, 6818273, 20454819]

約数ペア:

[(1, 20454819), (3, 6818273), (7, 2922117), (11, 1859529), (21, 974039), (33, 619843), (73, 280203), (77, 265647), (219, 93401), (231, 88549), (511, 40029), (803, 25473), (1213, 16863), (1533, 13343), (2409, 8491), (3639, 5621)]