20178323

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 23876160

約数和(自身を除く): 3697837

約数列:

[1, 11, 19, 67, 121, 131, 209, 737, 1273, 1441, 2299, 2489, 8107, 8777, 14003, 15851, 27379, 96547, 154033, 166763, 301169, 1062017, 1834393, 20178323]

約数ペア:

[(1, 20178323), (11, 1834393), (19, 1062017), (67, 301169), (121, 166763), (131, 154033), (209, 96547), (737, 27379), (1273, 15851), (1441, 14003), (2299, 8777), (2489, 8107)]