20855814

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{17123}}^1$

素因数の和:17164

約数の個数: 32

約数和(自身を含む): 49317120

約数和(自身を除く): 28461306

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 609, 1218, 17123, 34246, 51369, 102738, 119861, 239722, 359583, 496567, 719166, 993134, 1489701, 2979402, 3475969, 6951938, 10427907, 20855814]

約数ペア:

[(1, 20855814), (2, 10427907), (3, 6951938), (6, 3475969), (7, 2979402), (14, 1489701), (21, 993134), (29, 719166), (42, 496567), (58, 359583), (87, 239722), (174, 119861), (203, 102738), (406, 51369), (609, 34246), (1218, 17123)]