20884857

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3079}}^1$

素因数の和:3125

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 14596743

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 3079, 6783, 9237, 21553, 52343, 58501, 64659, 157029, 175503, 366401, 409507, 994517, 1099203, 1228521, 2983551, 6961619, 20884857]

約数ペア:

[(1, 20884857), (3, 6961619), (7, 2983551), (17, 1228521), (19, 1099203), (21, 994517), (51, 409507), (57, 366401), (119, 175503), (133, 157029), (323, 64659), (357, 58501), (399, 52343), (969, 21553), (2261, 9237), (3079, 6783)]