20928534

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 48273408

約数和(自身を除く): 27344874

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 53, 62, 66, 93, 106, 159, 186, 193, 318, 341, 386, 579, 583, 682, 1023, 1158, 1166, 1643, 1749, 2046, 2123, 3286, 3498, 4246, 4929, 5983, 6369, 9858, 10229, 11966, 12738, 17949, 18073, 20458, 30687, 35898, 36146, 54219, 61374, 65813, 108438, 112519, 131626, 197439, 225038, 317099, 337557, 394878, 634198, 675114, 951297, 1902594, 3488089, 6976178, 10464267, 20928534]

約数ペア:

[(1, 20928534), (2, 10464267), (3, 6976178), (6, 3488089), (11, 1902594), (22, 951297), (31, 675114), (33, 634198), (53, 394878), (62, 337557), (66, 317099), (93, 225038), (106, 197439), (159, 131626), (186, 112519), (193, 108438), (318, 65813), (341, 61374), (386, 54219), (579, 36146), (583, 35898), (682, 30687), (1023, 20458), (1158, 18073), (1166, 17949), (1643, 12738), (1749, 11966), (2046, 10229), (2123, 9858), (3286, 6369), (3498, 5983), (4246, 4929)]