20291829

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 30919680

約数和(自身を除く): 10627851

約数列:

[1, 3, 17, 19, 43, 51, 57, 129, 323, 487, 731, 817, 969, 1461, 2193, 2451, 8279, 9253, 13889, 20941, 24837, 27759, 41667, 62823, 157301, 355997, 397879, 471903, 1067991, 1193637, 6763943, 20291829]

約数ペア:

[(1, 20291829), (3, 6763943), (17, 1193637), (19, 1067991), (43, 471903), (51, 397879), (57, 355997), (129, 157301), (323, 62823), (487, 41667), (731, 27759), (817, 24837), (969, 20941), (1461, 13889), (2193, 9253), (2451, 8279)]