20479683

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 32947200

約数和(自身を除く): 12467517

約数列:

[1, 3, 7, 21, 23, 69, 109, 161, 327, 389, 483, 763, 1167, 2289, 2507, 2723, 7521, 8169, 8947, 17549, 26841, 42401, 52647, 62629, 127203, 187887, 296807, 890421, 975223, 2925669, 6826561, 20479683]

約数ペア:

[(1, 20479683), (3, 6826561), (7, 2925669), (21, 975223), (23, 890421), (69, 296807), (109, 187887), (161, 127203), (327, 62629), (389, 52647), (483, 42401), (763, 26841), (1167, 17549), (2289, 8947), (2507, 8169), (2723, 7521)]