20902451

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:418

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 1907149

約数列:

[1, 19, 47, 89, 263, 893, 1691, 4183, 4997, 12361, 23407, 79477, 234859, 444733, 1100129, 20902451]

約数ペア:

[(1, 20902451), (19, 1100129), (47, 444733), (89, 234859), (263, 79477), (893, 23407), (1691, 12361), (4183, 4997)]