20719491

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{5477}}^1$

素因数の和:5590

約数の個数: 16

約数和(自身を含む): 30063264

約数和(自身を除く): 9343773

約数列:

[1, 3, 13, 39, 97, 291, 1261, 3783, 5477, 16431, 71201, 213603, 531269, 1593807, 6906497, 20719491]

約数ペア:

[(1, 20719491), (3, 6906497), (13, 1593807), (39, 531269), (97, 213603), (291, 71201), (1261, 16431), (3783, 5477)]