20165319

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1597}}^1$

素因数の和:1687

約数の個数: 24

約数和(自身を含む): 30911712

約数和(自身を除く): 10746393

約数列:

[1, 3, 9, 23, 61, 69, 183, 207, 549, 1403, 1597, 4209, 4791, 12627, 14373, 36731, 97417, 110193, 292251, 330579, 876753, 2240591, 6721773, 20165319]

約数ペア:

[(1, 20165319), (3, 6721773), (9, 2240591), (23, 876753), (61, 330579), (69, 292251), (183, 110193), (207, 97417), (549, 36731), (1403, 14373), (1597, 12627), (4209, 4791)]