20747148

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{42169}}^1$

素因数の和:42217

約数の個数: 24

約数和(自身を含む): 49591920

約数和(自身を除く): 28844772

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 42169, 84338, 126507, 168676, 253014, 506028, 1728929, 3457858, 5186787, 6915716, 10373574, 20747148]

約数ペア:

[(1, 20747148), (2, 10373574), (3, 6915716), (4, 5186787), (6, 3457858), (12, 1728929), (41, 506028), (82, 253014), (123, 168676), (164, 126507), (246, 84338), (492, 42169)]