20153914

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{3833}}^1$

素因数の和:4085

約数の個数: 16

約数和(自身を含む): 33125760

約数和(自身を除く): 12971846

約数列:

[1, 2, 11, 22, 239, 478, 2629, 3833, 5258, 7666, 42163, 84326, 916087, 1832174, 10076957, 20153914]

約数ペア:

[(1, 20153914), (2, 10076957), (11, 1832174), (22, 916087), (239, 84326), (478, 42163), (2629, 7666), (3833, 5258)]