20819928

素因数分解:

$2^3\times 3^1\times {\mathrm{673}}^1\times {\mathrm{1289}}^1$

素因数の和:1971

約数の個数: 32

約数和(自身を含む): 52167600

約数和(自身を除く): 31347672

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 673, 1289, 1346, 2019, 2578, 2692, 3867, 4038, 5156, 5384, 7734, 8076, 10312, 15468, 16152, 30936, 867497, 1734994, 2602491, 3469988, 5204982, 6939976, 10409964, 20819928]

約数ペア:

[(1, 20819928), (2, 10409964), (3, 6939976), (4, 5204982), (6, 3469988), (8, 2602491), (12, 1734994), (24, 867497), (673, 30936), (1289, 16152), (1346, 15468), (2019, 10312), (2578, 8076), (2692, 7734), (3867, 5384), (4038, 5156)]