20667264

素因数分解:

$2^7\times 3^1\times {\mathrm{107}}^1\times {\mathrm{503}}^1$

素因数の和:627

約数の個数: 64

約数和(自身を含む): 55520640

約数和(自身を除く): 34853376

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 107, 128, 192, 214, 321, 384, 428, 503, 642, 856, 1006, 1284, 1509, 1712, 2012, 2568, 3018, 3424, 4024, 5136, 6036, 6848, 8048, 10272, 12072, 13696, 16096, 20544, 24144, 32192, 41088, 48288, 53821, 64384, 96576, 107642, 161463, 193152, 215284, 322926, 430568, 645852, 861136, 1291704, 1722272, 2583408, 3444544, 5166816, 6889088, 10333632, 20667264]

約数ペア:

[(1, 20667264), (2, 10333632), (3, 6889088), (4, 5166816), (6, 3444544), (8, 2583408), (12, 1722272), (16, 1291704), (24, 861136), (32, 645852), (48, 430568), (64, 322926), (96, 215284), (107, 193152), (128, 161463), (192, 107642), (214, 96576), (321, 64384), (384, 53821), (428, 48288), (503, 41088), (642, 32192), (856, 24144), (1006, 20544), (1284, 16096), (1509, 13696), (1712, 12072), (2012, 10272), (2568, 8048), (3018, 6848), (3424, 6036), (4024, 5136)]