20460172

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{167}}^1\times {\mathrm{281}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 36479520

約数和(自身を除く): 16019348

約数列:

[1, 2, 4, 109, 167, 218, 281, 334, 436, 562, 668, 1124, 18203, 30629, 36406, 46927, 61258, 72812, 93854, 122516, 187708, 5115043, 10230086, 20460172]

約数ペア:

[(1, 20460172), (2, 10230086), (4, 5115043), (109, 187708), (167, 122516), (218, 93854), (281, 72812), (334, 61258), (436, 46927), (562, 36406), (668, 30629), (1124, 18203)]