20585052

素因数分解:

$2^2\times 3^2\times {\mathrm{577}}^1\times {\mathrm{991}}^1$

素因数の和:1578

約数の個数: 36

約数和(自身を含む): 52177216

約数和(自身を除く): 31592164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 577, 991, 1154, 1731, 1982, 2308, 2973, 3462, 3964, 5193, 5946, 6924, 8919, 10386, 11892, 17838, 20772, 35676, 571807, 1143614, 1715421, 2287228, 3430842, 5146263, 6861684, 10292526, 20585052]

約数ペア:

[(1, 20585052), (2, 10292526), (3, 6861684), (4, 5146263), (6, 3430842), (9, 2287228), (12, 1715421), (18, 1143614), (36, 571807), (577, 35676), (991, 20772), (1154, 17838), (1731, 11892), (1982, 10386), (2308, 8919), (2973, 6924), (3462, 5946), (3964, 5193)]