20872704003

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{4643}}^1\times {\mathrm{34849}}^1$

素因数の和:39538

約数の個数: 16

約数和(自身を含む): 28484438400

約数和(自身を除く): 7611734397

約数列:

[1, 3, 43, 129, 4643, 13929, 34849, 104547, 199649, 598947, 1498507, 4495521, 161803907, 485411721, 6957568001, 20872704003]

約数ペア:

[(1, 20872704003), (3, 6957568001), (43, 485411721), (129, 161803907), (4643, 4495521), (13929, 1498507), (34849, 598947), (104547, 199649)]