20802951

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10459}}^1$

素因数の和:10495

約数の個数: 24

約数和(自身を含む): 34266960

約数和(自身を除く): 13464009

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 10459, 31377, 94131, 135967, 177803, 407901, 533409, 1223703, 1600227, 2311439, 6934317, 20802951]

約数ペア:

[(1, 20802951), (3, 6934317), (9, 2311439), (13, 1600227), (17, 1223703), (39, 533409), (51, 407901), (117, 177803), (153, 135967), (221, 94131), (663, 31377), (1989, 10459)]