20153326732

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1\times {\mathrm{79699}}^1$

素因数の和:80542

約数の個数: 48

約数和(自身を含む): 44025004800

約数和(自身を除く): 23871678068

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 821, 1642, 3284, 5747, 9031, 11494, 18062, 22988, 36124, 63217, 79699, 126434, 159398, 252868, 318796, 557893, 876689, 1115786, 1753378, 2231572, 3506756, 6136823, 12273646, 24547292, 65432879, 130865758, 261731516, 458030153, 719761669, 916060306, 1439523338, 1832120612, 2879046676, 5038331683, 10076663366, 20153326732]

約数ペア:

[(1, 20153326732), (2, 10076663366), (4, 5038331683), (7, 2879046676), (11, 1832120612), (14, 1439523338), (22, 916060306), (28, 719761669), (44, 458030153), (77, 261731516), (154, 130865758), (308, 65432879), (821, 24547292), (1642, 12273646), (3284, 6136823), (5747, 3506756), (9031, 2231572), (11494, 1753378), (18062, 1115786), (22988, 876689), (36124, 557893), (63217, 318796), (79699, 252868), (126434, 159398)]