20291315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{6961}}^1$

素因数の和:7030

約数の個数: 16

約数和(自身を含む): 27068256

約数和(自身を除く): 6776941

約数列:

[1, 5, 11, 53, 55, 265, 583, 2915, 6961, 34805, 76571, 368933, 382855, 1844665, 4058263, 20291315]

約数ペア:

[(1, 20291315), (5, 4058263), (11, 1844665), (53, 382855), (55, 368933), (265, 76571), (583, 34805), (2915, 6961)]