20965483

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 26946864

約数和(自身を除く): 5981381

約数列:

[1, 7, 11, 49, 77, 97, 401, 539, 679, 1067, 2807, 4411, 4753, 7469, 19649, 30877, 38897, 52283, 216139, 272279, 427867, 1905953, 2995069, 20965483]

約数ペア:

[(1, 20965483), (7, 2995069), (11, 1905953), (49, 427867), (77, 272279), (97, 216139), (401, 52283), (539, 38897), (679, 30877), (1067, 19649), (2807, 7469), (4411, 4753)]