20153912

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{41299}}^1$

素因数の和:41366

約数の個数: 16

約数和(自身を含む): 38409000

約数和(自身を除く): 18255088

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 41299, 82598, 165196, 330392, 2519239, 5038478, 10076956, 20153912]

約数ペア:

[(1, 20153912), (2, 10076956), (4, 5038478), (8, 2519239), (61, 330392), (122, 165196), (244, 82598), (488, 41299)]