20819850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{138799}}^1$

素因数の和:138814

約数の個数: 24

約数和(自身を含む): 51633600

約数和(自身を除く): 30813750

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 138799, 277598, 416397, 693995, 832794, 1387990, 2081985, 3469975, 4163970, 6939950, 10409925, 20819850]

約数ペア:

[(1, 20819850), (2, 10409925), (3, 6939950), (5, 4163970), (6, 3469975), (10, 2081985), (15, 1387990), (25, 832794), (30, 693995), (50, 416397), (75, 277598), (150, 138799)]