20871186

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{761}}^1$

素因数の和:1426

約数の個数: 32

約数和(自身を含む): 47841408

約数和(自身を除く): 26970222

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 653, 761, 1306, 1522, 1959, 2283, 3918, 4566, 4571, 5327, 9142, 10654, 13713, 15981, 27426, 31962, 496933, 993866, 1490799, 2981598, 3478531, 6957062, 10435593, 20871186]

約数ペア:

[(1, 20871186), (2, 10435593), (3, 6957062), (6, 3478531), (7, 2981598), (14, 1490799), (21, 993866), (42, 496933), (653, 31962), (761, 27426), (1306, 15981), (1522, 13713), (1959, 10654), (2283, 9142), (3918, 5327), (4566, 4571)]