20976978

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{5387}}^1$

素因数の和:5462

約数の個数: 32

約数和(自身を含む): 46552320

約数和(自身を除く): 25575342

約数列:

[1, 2, 3, 6, 11, 22, 33, 59, 66, 118, 177, 354, 649, 1298, 1947, 3894, 5387, 10774, 16161, 32322, 59257, 118514, 177771, 317833, 355542, 635666, 953499, 1906998, 3496163, 6992326, 10488489, 20976978]

約数ペア:

[(1, 20976978), (2, 10488489), (3, 6992326), (6, 3496163), (11, 1906998), (22, 953499), (33, 635666), (59, 355542), (66, 317833), (118, 177771), (177, 118514), (354, 59257), (649, 32322), (1298, 16161), (1947, 10774), (3894, 5387)]