20609904

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{61339}}^1$

素因数の和:61357

約数の個数: 40

約数和(自身を含む): 60849280

約数和(自身を除く): 40239376

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 61339, 122678, 184017, 245356, 368034, 429373, 490712, 736068, 858746, 981424, 1288119, 1472136, 1717492, 2576238, 2944272, 3434984, 5152476, 6869968, 10304952, 20609904]

約数ペア:

[(1, 20609904), (2, 10304952), (3, 6869968), (4, 5152476), (6, 3434984), (7, 2944272), (8, 2576238), (12, 1717492), (14, 1472136), (16, 1288119), (21, 981424), (24, 858746), (28, 736068), (42, 490712), (48, 429373), (56, 368034), (84, 245356), (112, 184017), (168, 122678), (336, 61339)]