20368677

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{577}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 31868608

約数和(自身を除く): 11499931

約数列:

[1, 3, 7, 21, 41, 123, 287, 577, 861, 1681, 1731, 4039, 5043, 11767, 12117, 23657, 35301, 70971, 165599, 496797, 969937, 2909811, 6789559, 20368677]

約数ペア:

[(1, 20368677), (3, 6789559), (7, 2909811), (21, 969937), (41, 496797), (123, 165599), (287, 70971), (577, 35301), (861, 23657), (1681, 12117), (1731, 11767), (4039, 5043)]