20478612

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{599}}^1$

素因数の和:661

約数の個数: 96

約数和(自身を含む): 61286400

約数和(自身を除く): 40807788

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 37, 42, 44, 66, 74, 77, 84, 111, 132, 148, 154, 222, 231, 259, 308, 407, 444, 462, 518, 599, 777, 814, 924, 1036, 1198, 1221, 1554, 1628, 1797, 2396, 2442, 2849, 3108, 3594, 4193, 4884, 5698, 6589, 7188, 8386, 8547, 11396, 12579, 13178, 16772, 17094, 19767, 22163, 25158, 26356, 34188, 39534, 44326, 46123, 50316, 66489, 79068, 88652, 92246, 132978, 138369, 155141, 184492, 243793, 265956, 276738, 310282, 465423, 487586, 553476, 620564, 731379, 930846, 975172, 1462758, 1706551, 1861692, 2925516, 3413102, 5119653, 6826204, 10239306, 20478612]

約数ペア:

[(1, 20478612), (2, 10239306), (3, 6826204), (4, 5119653), (6, 3413102), (7, 2925516), (11, 1861692), (12, 1706551), (14, 1462758), (21, 975172), (22, 930846), (28, 731379), (33, 620564), (37, 553476), (42, 487586), (44, 465423), (66, 310282), (74, 276738), (77, 265956), (84, 243793), (111, 184492), (132, 155141), (148, 138369), (154, 132978), (222, 92246), (231, 88652), (259, 79068), (308, 66489), (407, 50316), (444, 46123), (462, 44326), (518, 39534), (599, 34188), (777, 26356), (814, 25158), (924, 22163), (1036, 19767), (1198, 17094), (1221, 16772), (1554, 13178), (1628, 12579), (1797, 11396), (2396, 8547), (2442, 8386), (2849, 7188), (3108, 6589), (3594, 5698), (4193, 4884)]