20933510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{569}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 40793760

約数和(自身を除く): 19860250

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 283, 566, 569, 1138, 1415, 2830, 2845, 3679, 5690, 7358, 7397, 14794, 18395, 36790, 36985, 73970, 161027, 322054, 805135, 1610270, 2093351, 4186702, 10466755, 20933510]

約数ペア:

[(1, 20933510), (2, 10466755), (5, 4186702), (10, 2093351), (13, 1610270), (26, 805135), (65, 322054), (130, 161027), (283, 73970), (566, 36985), (569, 36790), (1138, 18395), (1415, 14794), (2830, 7397), (2845, 7358), (3679, 5690)]