20020748900

素因数分解:

$2^2\times 5^2\times {\mathrm{200207489}}^1$

素因数の和:200207503

約数の個数: 18

約数和(自身を含む): 43445025330

約数和(自身を除く): 23424276430

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 200207489, 400414978, 800829956, 1001037445, 2002074890, 4004149780, 5005187225, 10010374450, 20020748900]

約数ペア:

[(1, 20020748900), (2, 10010374450), (4, 5005187225), (5, 4004149780), (10, 2002074890), (20, 1001037445), (25, 800829956), (50, 400414978), (100, 200207489)]