20710947

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{6883}}^1$

素因数の和:6962

約数の個数: 16

約数和(自身を含む): 29738880

約数和(自身を除く): 9027933

約数列:

[1, 3, 17, 51, 59, 177, 1003, 3009, 6883, 20649, 117011, 351033, 406097, 1218291, 6903649, 20710947]

約数ペア:

[(1, 20710947), (3, 6903649), (17, 1218291), (51, 406097), (59, 351033), (177, 117011), (1003, 20649), (3009, 6883)]