20819272

素因数分解:

$2^3\times {\mathrm{419}}^1\times {\mathrm{6211}}^1$

素因数の和:6636

約数の個数: 16

約数和(自身を含む): 39135600

約数和(自身を除く): 18316328

約数列:

[1, 2, 4, 8, 419, 838, 1676, 3352, 6211, 12422, 24844, 49688, 2602409, 5204818, 10409636, 20819272]

約数ペア:

[(1, 20819272), (2, 10409636), (4, 5204818), (8, 2602409), (419, 49688), (838, 24844), (1676, 12422), (3352, 6211)]