20339109

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6869}}^1$

素因数の和:6929

約数の個数: 24

約数和(自身を含む): 34295040

約数和(自身を除く): 13955931

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 6869, 20607, 48083, 61821, 144249, 322843, 432747, 968529, 2259901, 2905587, 6779703, 20339109]

約数ペア:

[(1, 20339109), (3, 6779703), (7, 2905587), (9, 2259901), (21, 968529), (47, 432747), (63, 322843), (141, 144249), (329, 61821), (423, 48083), (987, 20607), (2961, 6869)]