20805660

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{1427}}^1$

素因数の和:1454

約数の個数: 84

約数和(自身を含む): 65553768

約数和(自身を除く): 44748108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1427, 1458, 1620, 2430, 2854, 2916, 3645, 4281, 4860, 5708, 7135, 7290, 8562, 12843, 14270, 14580, 17124, 21405, 25686, 28540, 38529, 42810, 51372, 64215, 77058, 85620, 115587, 128430, 154116, 192645, 231174, 256860, 346761, 385290, 462348, 577935, 693522, 770580, 1040283, 1155870, 1387044, 1733805, 2080566, 2311740, 3467610, 4161132, 5201415, 6935220, 10402830, 20805660]

約数ペア:

[(1, 20805660), (2, 10402830), (3, 6935220), (4, 5201415), (5, 4161132), (6, 3467610), (9, 2311740), (10, 2080566), (12, 1733805), (15, 1387044), (18, 1155870), (20, 1040283), (27, 770580), (30, 693522), (36, 577935), (45, 462348), (54, 385290), (60, 346761), (81, 256860), (90, 231174), (108, 192645), (135, 154116), (162, 128430), (180, 115587), (243, 85620), (270, 77058), (324, 64215), (405, 51372), (486, 42810), (540, 38529), (729, 28540), (810, 25686), (972, 21405), (1215, 17124), (1427, 14580), (1458, 14270), (1620, 12843), (2430, 8562), (2854, 7290), (2916, 7135), (3645, 5708), (4281, 4860)]