20172746295

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2028431}}^1$

素因数の和:2028472

約数の個数: 48

約数和(自身を含む): 39870859392

約数和(自身を除く): 19698113097

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1989, 3315, 9945, 2028431, 6085293, 10142155, 18255879, 26369603, 30426465, 34483327, 79108809, 91279395, 103449981, 131848015, 172416635, 237326427, 310349943, 395544045, 448283251, 517249905, 1186632135, 1344849753, 1551749715, 2241416255, 4034549259, 6724248765, 20172746295]

約数ペア:

[(1, 20172746295), (3, 6724248765), (5, 4034549259), (9, 2241416255), (13, 1551749715), (15, 1344849753), (17, 1186632135), (39, 517249905), (45, 448283251), (51, 395544045), (65, 310349943), (85, 237326427), (117, 172416635), (153, 131848015), (195, 103449981), (221, 91279395), (255, 79108809), (585, 34483327), (663, 30426465), (765, 26369603), (1105, 18255879), (1989, 10142155), (3315, 6085293), (9945, 2028431)]