20630295

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:426

約数の個数: 80

約数和(自身を含む): 44605440

約数和(自身を除く): 23975145

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 57, 63, 81, 95, 105, 133, 135, 171, 189, 285, 315, 383, 399, 405, 513, 567, 665, 855, 945, 1149, 1197, 1539, 1915, 1995, 2565, 2681, 2835, 3447, 3591, 5745, 5985, 7277, 7695, 8043, 10341, 10773, 13405, 17235, 17955, 21831, 24129, 31023, 36385, 40215, 50939, 51705, 53865, 65493, 72387, 109155, 120645, 152817, 155115, 196479, 217161, 254695, 327465, 361935, 458451, 589437, 764085, 982395, 1085805, 1375353, 2292255, 2947185, 4126059, 6876765, 20630295]

約数ペア:

[(1, 20630295), (3, 6876765), (5, 4126059), (7, 2947185), (9, 2292255), (15, 1375353), (19, 1085805), (21, 982395), (27, 764085), (35, 589437), (45, 458451), (57, 361935), (63, 327465), (81, 254695), (95, 217161), (105, 196479), (133, 155115), (135, 152817), (171, 120645), (189, 109155), (285, 72387), (315, 65493), (383, 53865), (399, 51705), (405, 50939), (513, 40215), (567, 36385), (665, 31023), (855, 24129), (945, 21831), (1149, 17955), (1197, 17235), (1539, 13405), (1915, 10773), (1995, 10341), (2565, 8043), (2681, 7695), (2835, 7277), (3447, 5985), (3591, 5745)]