20960325

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4903}}^1$

素因数の和:4938

約数の個数: 36

約数和(自身を含む): 39526240

約数和(自身を除く): 18565915

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 4903, 14709, 24515, 44127, 73545, 93157, 122575, 220635, 279471, 367725, 465785, 838413, 1103175, 1397355, 2328925, 4192065, 6986775, 20960325]

約数ペア:

[(1, 20960325), (3, 6986775), (5, 4192065), (9, 2328925), (15, 1397355), (19, 1103175), (25, 838413), (45, 465785), (57, 367725), (75, 279471), (95, 220635), (171, 122575), (225, 93157), (285, 73545), (475, 44127), (855, 24515), (1425, 14709), (4275, 4903)]